{"as_of":"2026-08-22T17:51:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:08e2f1d65f3f81f4bc3dc6f3a70951a48ef7a81556007d37a65560af57154fb8","coverage":[{"denominator":62,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":62,"source":"paper_references, paper_reference_links","source_observed_at":"2026-05-25T01:22:29.167625Z","state":"measured"},{"denominator":62,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":62,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-22T06:32:14.747728+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[],"links":{"evidence":"/evidence","html":"/paper/1907.04905/citation-record","integrity":"/paper/1907.04905/integrity","json":"/paper/1907.04905/citation-record.json","paper":"/paper/1907.04905"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"f740a093-412f-4765-b95c-ffe54f3fa025","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:306aa5a5a118ab5bab7b2bf272dd82e6f842c2c7a9e35fb15f3f25ba745e74c2","observation_id":"dae05e29-d0b9-499c-bc40-0792440aebd7","resolution":{"observed_at":"2026-05-25T01:26:32.539183Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"114aca23-25d5-4230-b011-39a74cc5d47a","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:a0e9924693e30f239fd00cb797283877e687241490e853c03124ac72d6597511","observation_id":"7c712cb6-6cf8-43b5-b066-7f5a7b972448","resolution":{"observed_at":"2026-05-25T01:26:32.533076Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"2cf3aff9-2db8-4b5f-8c98-149fbc4ad89a","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:27a4f652e5fc595fc87793d98446ca86e1014f4ffed33bad5928c19c84d6555b","observation_id":"639dd80c-aef0-4cb3-a031-daf0b6510720","resolution":{"observed_at":"2026-05-25T01:26:32.535937Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"d06d72b4-6723-49c9-9572-5652dfe50a87","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:7628c586b9793376b8b28096b23ca7023f5426beb42c193579a07eed97d871e9","observation_id":"fc561369-b89b-41a4-be02-c5d0fa4ee36e","resolution":{"observed_at":"2026-05-25T01:26:32.478688Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"aede750b-703b-4c11-9d48-f4bfd9a2c7eb","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:d3866f0405dd0e1c7c11fe5f7fa674f625a2b983972e2567a50b87d1733103e4","observation_id":"83a09b0e-fbb5-4848-97e5-244409b3087f","resolution":{"observed_at":"2026-05-25T01:26:32.481549Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"f87db9aa-55c0-42d6-be58-0c512178b6ac","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:0554c138a6602c901939b7a7847214fa404055ece296701721061b33a5ec1847","observation_id":"7c77d536-bd60-4923-b3e3-d41d8bec5bc1","resolution":{"observed_at":"2026-05-25T01:26:32.472767Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"e119cd52-991c-479d-bdce-5a8292aa12f5","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:a62bc5d4d40d2095f5ccff9afc945e35a94ee37e829bab6f9c0250131262958f","observation_id":"2aa6fe1f-9d6d-4551-a32b-033399f1f344","resolution":{"observed_at":"2026-05-25T01:26:32.513422Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"4bd0a55f-42a3-4939-8cdb-13c23d938367","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:a8c4129838f8175c45de48483981586f93c75fcfd392795dc5254873131385ae","observation_id":"53333306-279f-4699-ad3d-81c6d2a71ccb","resolution":{"observed_at":"2026-05-25T01:26:32.463748Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Email is quickly received, and it can be sent asynchronousl y at low cost","venue":null,"work_id":"3a4b0915-0582-43c8-98ad-ae2e2da19430","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:92936899d29dc45da367cfba2c709930a88b448322fc41968475f8dc478543f3","observation_id":"f4815d69-f097-4555-87e2-ded1af5b307c","resolution":{"observed_at":"2026-05-25T01:26:32.502552Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"The latter two will be further detailed in Section 2","venue":null,"work_id":"466af7e5-e4aa-4255-95e2-e92d08480215","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:6993bd261e10f439ba321038de5619f11236e750ba22e03d1e5f701cf2c0b464","observation_id":"7363dd4e-0ba7-4335-b746-bf72178662e4","resolution":{"observed_at":"2026-05-25T01:26:32.467386Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"bag of words","venue":null,"work_id":"6027960d-787d-44a1-b5fa-b574168940b9","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:08e3d0eea533057113b5ec9fdc7919d8fc3d767c263c2badaf6931bb56a8488a","observation_id":"0f83b08c-6377-49e5-bbf8-5807e16e5b66","resolution":{"observed_at":"2026-05-25T01:26:32.367775Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"7e388d31-123a-4a01-9fed-b0ec1a7fa907","year":2001},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:6b61fc690f00af49ea11fca46c93cbb15e8ea133c527cf8de39f2a832c8efa1b","observation_id":"f9809aae-3b66-42a5-a4ef-c99c5842e820","resolution":{"observed_at":"2026-05-25T01:26:32.456473Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"536361aa-24f7-4557-926e-d9d701ccee2a","year":2081},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:b87c0680d793af3286810404f5b671480310ad2850d60d3f05a7e8f1abbb936e","observation_id":"a7a2cc93-f92b-439f-89b5-7ce8051059a4","resolution":{"observed_at":"2026-05-25T01:26:32.443757Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"55d754b0-f6e1-4753-9cd4-92db5271b9f0","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:920f88eb033753930de00e644f2bb2d3e3170857f12a96c43138135599748a3b","observation_id":"41b75ec7-2306-414a-8f6c-4c2cb7b0e740","resolution":{"observed_at":"2026-05-25T01:26:32.447057Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"a6f365ae-1fab-4068-8f09-9bc38a9163c7","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:adb38525bb5eb5f1389d2075d4826df1fedc460c2f30724166ef7ec1e44142e0","observation_id":"5e75f9f7-8547-49ae-8998-2bfdf1df2820","resolution":{"observed_at":"2026-05-25T01:26:32.453739Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Spam and Ham","venue":null,"work_id":"1939f647-34aa-4e70-8d4c-d2c33b5c929e","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:338e68d38b0fccea2662d3ce217e822f1b59afc8b5a33d016013c842deaee160","observation_id":"0b1b2abc-a1db-4a66-8383-ea3b4f35586b","resolution":{"observed_at":"2026-05-25T01:26:32.440648Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"That was accomplished in association with Fundação Estudar a non -profit organization in education that provided us with their email logs","venue":null,"work_id":"23a6f4f6-fbf6-42a0-b48f-5781ccda0652","year":null},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:60e01a35537230d72edba1a688f68ae6db9dfd76ceb33fccb915255dd69512bd","observation_id":"147984aa-3afd-4359-8dcd-e22d1bcd6e36","resolution":{"observed_at":"2026-05-25T01:26:32.430304Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Revised Naive Bayes Classifier for Combating the Focus Attack in Spam Filtering","venue":null,"work_id":"bb399f14-af5b-4a91-8b8d-e52b9286f12b","year":2013},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:312c3be77cff55da370a802cc95c1eb6b3573402d98b357d70f223cb59e3804d","observation_id":"85557bef-dc77-4461-ac87-623d20acf3dc","resolution":{"observed_at":"2026-05-25T01:26:32.433555Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"An Optimized k-NN Classifier based on Minimum Spanning Tree for Email Filtering","venue":null,"work_id":"21a27628-cf5e-4b0b-92ae-0deedd421b8c","year":2014},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:96e3dc72b430d187536c02a9ec73b9a8e74275f345b8a0a6e915f1416930cd52","observation_id":"30a67758-ea48-47ac-8e7c-d157e373ed9f","resolution":{"observed_at":"2026-05-25T01:26:32.486898Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"System And Method For Message Process And Response","venue":null,"work_id":"5475cbac-d8a8-4f1d-9458-53aebebf56d6","year":2001},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:e6fb2cf6d676daf601a64affc0df8dfb3a20e8389ea903680f147209a74a9d47","observation_id":"d7eab920-2427-4e6e-b217-085184b78941","resolution":{"observed_at":"2026-05-25T01:26:32.470270Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"a2d3f5d8-3d8a-4235-bf5d-5a1831533b88","year":2003},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:a237b1099ac45da7e5218533242ee7cc6aa6346fb166f644d1b5f52e674ffa56","observation_id":"9cdd43c9-5312-4a60-8cdd-4f0686026b1f","resolution":{"observed_at":"2026-05-25T01:26:32.475422Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"System a nd Method for Content - Sensitive Automatic Reply Message Generation for Text -Based Asynchronous Communications","venue":null,"work_id":"15106ba8-202f-49ff-8907-81bd23d3987b","year":2004},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:1cd37a47c331d99f742890684da5f2d59d848b818a743ef0a4fb897fa53b6713","observation_id":"bf625796-209b-4a43-ba4f-026d5b4cf658","resolution":{"observed_at":"2026-05-25T01:26:32.523275Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"f5a5e089-db37-48ff-8ba2-6c2b53bbbc18","year":2009},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:eb32f14d65b665afd51ab45464cda07eccdf512a881894ead1b65b5c03edbc08","observation_id":"73cdae02-96e0-4924-bbb3-afb6e779ead9","resolution":{"observed_at":"2026-05-25T01:26:32.419825Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Transductive Inference for Text Classification Using Support Vector Machines","venue":null,"work_id":"6bf20f00-2dad-4f4d-831f-ff8714be2adc","year":1999},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:659bb5bf81583d4e76740b178de6769ee751a2faade30a99d40766198cae4476","observation_id":"5031efaf-8be1-43d7-9b4c-f2760d653a44","resolution":{"observed_at":"2026-05-25T01:26:32.388084Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Speech Acts","venue":null,"work_id":"856cbc59-4c53-4ccf-8f68-4164758c401f","year":2004},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:69ef07eb95a8707598398392e4087525ec16fa0e5552cd6b1078bcc823864461","observation_id":"3e5e5a0e-d428-4977-b6bf-dea5a59d83a8","resolution":{"observed_at":"2026-05-25T01:26:32.377413Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Towards Designing an Email Classification System Using Multi -view Based Semi -Supervised Learning","venue":null,"work_id":"019dec6d-dc75-4d27-a339-b8e31c2e3f58","year":2014},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:d831c87f74f9944d57153dfdee0d55533f01572cfc7dc81de55c687bef973029","observation_id":"ca36a12e-566a-4632-b471-13cd3489c7e4","resolution":{"observed_at":"2026-05-25T01:26:32.410284Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Email Classification with Co -Training","venue":null,"work_id":"7c46b918-2aee-48b8-837c-9c76115ab085","year":2001},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:59e54d1fa322b4cb4a24827e609e66cd4edb084dbcbdddf8bd47a89cb8aaff0c","observation_id":"1e7f7fe4-01f8-484e-bff1-52d9640c8a82","resolution":{"observed_at":"2026-05-25T01:26:32.413188Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"A comparative study for email classification","venue":null,"work_id":"876fee8f-91cd-48f8-8072-32309c76ec15","year":2007},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:8286caf6b305ad93554dc21ac811f0fbaa24041e9532d800afeea5cb9aa4a649","observation_id":"84ca93a4-d128-43e7-87db-73ad657d9619","resolution":{"observed_at":"2026-05-25T01:26:32.342185Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"The Enron corpus: A new dataset for Email Classification Research","venue":null,"work_id":"e88a9658-26c4-4e0b-b081-8ca5b94f8825","year":2004},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:1b4a55a40d99d865545b2eb85c0f1a41330c5a84f44aaa34cc79fe8b322609b0","observation_id":"3f8eebd3-f212-4a97-bfd0-7ad3b8cd898b","resolution":{"observed_at":"2026-05-25T01:26:32.345635Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Baselines and bigrams: Simple, good sentiment and topic classification","venue":null,"work_id":"90e5bd2a-31f6-45c7-a2e7-596ad73c959b","year":2012},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:1460a1c4410f5b1a02497bcd5374b555c9353e968596acb8553ad371c698dd95","observation_id":"02f29a6d-24d1-4a69-8d18-4ec2e2a175c0","resolution":{"observed_at":"2026-05-25T01:26:32.397591Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"A Comparative Study on Different Types of Approaches to Text Categorization","venue":null,"work_id":"d4390b3c-33c0-4cb5-84fd-0815e8d15421","year":2012},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:48f332fc8526d581a169c5a4891b197ab0516a1d9c7a92818334afa392fe0606","observation_id":"02c2ad65-3f95-4037-9793-dea04e455da8","resolution":{"observed_at":"2026-05-25T01:26:32.404487Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Classificação Automática de Emails","venue":null,"work_id":"0172871c-7b08-47eb-9ab0-d8e39d6d4d03","year":2013},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":32,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:d9dd5c86f0f7c63fdf8804c692c907d82282207ae61784cb13e6253b85ee6d4e","observation_id":"13d6c804-cea0-4a69-9147-2319720ad7f3","resolution":{"observed_at":"2026-05-25T01:26:32.407605Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"IBM’s Watson Now A Customer Service Agent","venue":null,"work_id":"e1517433-7dc4-41bf-b62f-bc9e2ed505ac","year":2013},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:5aca9b07d1b91f20833a88d4bc1ec57b38f70b39a7887982f41256c5e520f6f1","observation_id":"b73f4f39-6a51-4bd6-bd70-99dbad2dd1a6","resolution":{"observed_at":"2026-05-25T01:26:32.416441Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Reinforced Multicategory Support Vector Machines","venue":null,"work_id":"cfbad4c2-b1e4-449d-a2d5-af9c343b94b4","year":2011},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":34,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:8ff800289660a1475fac4ca6738449a270374dea38b8661e46649cb21215693e","observation_id":"566decaf-4b91-45ad-a325-cd7bbc2a7708","resolution":{"observed_at":"2026-05-25T01:26:32.384260Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Joachims, Learning to Classify Text Using Support Vector Machines","venue":null,"work_id":"ce37c346-be40-40e3-9b9a-ec376e95e810","year":2001},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:b282b663a3dea820095a0487d8f1375adacb954f174fbb4b774e921be4232922","observation_id":"97d4adf7-0849-422d-a96b-eabf2508a09b","resolution":{"observed_at":"2026-05-25T01:26:32.450551Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Towards an Adaptive Mail Classifier","venue":null,"work_id":"92c48e82-1959-4008-92b6-fc4abb340ff5","year":2002},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":36,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:18acfd505e46c47996345ee5603df01bf4458de10393c11bce070af5d7c14645","observation_id":"c7dcb8f5-a551-4588-a62c-4d02ec5a3b7b","resolution":{"observed_at":"2026-05-25T01:26:32.530108Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Classifying spam emails using text and readability features","venue":null,"work_id":"3e55a750-b2fc-41fa-949e-5f23f1c75bc1","year":2013},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:089f4a68fc14a9edc1f5a1633f6f0d7b323abd1b96e2ac36d715172b95ce6965","observation_id":"3edaeab9-170f-4c36-867c-ac2631c25896","resolution":{"observed_at":"2026-05-25T01:26:32.436798Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"An empirical performance comparison of machine learning methods for spam e -mail categorization","venue":null,"work_id":"dae78f11-6ada-4bc3-958a-f9239372e8d5","year":2004},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":38,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:92658563fabda8bda6152f3a2b76e952c071c308fa4b0f86342761021e5b0eef","observation_id":"f94edbf4-5c04-4033-88e6-2625211b0017","resolution":{"observed_at":"2026-05-25T01:26:32.506005Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"An approach to spam detec tion by Naive Bayes ensemble based on decision induction","venue":null,"work_id":"9b21615a-3815-4618-aaa1-10549db58580","year":2006},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":39,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:083827eadc4270dc18c3c68e07d9f1daf4c1c227441050ae7ae9fd19359d1e21","observation_id":"9259e35f-c370-4d47-b447-f6a0c75971cb","resolution":{"observed_at":"2026-05-25T01:26:32.427061Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Learning to Filter Spam E -Mail: A Comparison of a Naive Bayesian and a Memory -Based Approach","venue":null,"work_id":"0511bb4c-c71b-4565-b39f-5b283ef0c64e","year":2000},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":40,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:78e35f6deebc7a3b75ee448a0bcee2cfa5b5298f5962033a7e8d334d004f9161","observation_id":"65de95d2-9802-4241-83cd-300dfcadc2c6","resolution":{"observed_at":"2026-05-25T01:26:32.460167Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Support -vector networks","venue":null,"work_id":"6c6c7a42-eb7a-4ede-b55e-7bcd495b9f59","year":1995},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":41,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:73ee44592be22f6ce4edeb02e4a363c85a76a48fe4eba6663638d46c1d4c3cfa","observation_id":"0c769a9b-c777-4b06-92c1-454015f8b50e","resolution":{"observed_at":"2026-05-25T01:26:32.473207Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"A Practical Guide to Support Vector Classification","venue":null,"work_id":"8c96ab7f-7dfd-4fdc-b6e9-b0b8baf7c898","year":2003},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":42,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:2f763d6a4a9cebda208fc151354e7a84e6367e4a2466a4a01b4eeebe62bcaaaa","observation_id":"161ecc7f-994a-4438-a17e-f0509fdcd461","resolution":{"observed_at":"2026-05-25T01:26:32.460129Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"A Training Algorithm for Optimal Margin Classifiers","venue":null,"work_id":"25907c40-6068-4957-bc93-78217eca5092","year":1992},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":43,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:78773a57909b4fbc1dd6fd9f924032111cec5a0aab2d58b625dce0e7e9248a2c","observation_id":"76846194-52da-404d-822d-b55c63f4430c","resolution":{"observed_at":"2026-05-25T01:26:32.441542Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Joachims, Learning to Classify Text Using Support Vector Machines","venue":null,"work_id":"647881ab-95c9-40c6-ad91-22dc6cde8cdb","year":2001},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":44,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:4956e3a22f56412044b734144b7a6a2ac82ec962692d1251d26cb2608eff3441","observation_id":"9a59578d-dd78-4b43-a140-ef79917d2efd","resolution":{"observed_at":"2026-05-25T01:26:32.470843Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Automatic Opinion Polarity Classification of Movie","venue":null,"work_id":"ad7d24c7-7b29-49a0-9a7d-8189fc45a329","year":2004},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":45,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:d4bbd8f7706b8819d749dba76bdf17610edbf7c58904f1c2fd0cae3df61f4a45","observation_id":"810e21fe-d2da-40ef-be32-3a364dd49b55","resolution":{"observed_at":"2026-05-25T01:26:32.476595Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Natural language processing in support of decision -making: Phrases and part -of-speech tagging","venue":null,"work_id":"a649ee75-7207-4999-9f98-cf8fc33a4064","year":2001},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":46,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:46585d19c915cf9cc64ed874a3f8a893a6f61bb6c159d1d821901582dc01eb5a","observation_id":"13d72f74-633e-4971-adf8-70837cbf733d","resolution":{"observed_at":"2026-05-25T01:26:32.438088Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Automatic Induction of Rules for e -mail Classification","venue":null,"work_id":"2ca51fe8-5a01-47a3-875c-a6de0b0c1aa8","year":2001},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":47,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:681d199fba5acc0b6d79ed5518bb2975939199944ead1da27d80a91a521b0817","observation_id":"833f5650-8349-4232-897d-8bda883916ef","resolution":{"observed_at":"2026-05-25T01:26:32.486434Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"The Case Against Accuracy Estimation for Comparing Induction Algorithms","venue":null,"work_id":"8771ce97-5b63-4748-af99-a2df1340af3f","year":1997},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":48,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:64dd3cfa0e670bd939fef2aaa1539118de21c4dfb6be5f5bfc70493acaa5e9f2","observation_id":"f8ca77c4-0915-4007-b92f-40986721fa37","resolution":{"observed_at":"2026-05-25T01:26:32.483528Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Enhanced email spam filtering through combining similarity graphs","venue":null,"work_id":"d80a570d-e650-495e-982b-4121104d57be","year":2011},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":49,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:7c7d812925f9549b5110c81c7d6b95abe3a46f33d23968bef80a3c754fffe009","observation_id":"7fcc1319-e059-4dc5-9dcb-2490944ca1af","resolution":{"observed_at":"2026-05-25T01:26:32.463977Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"A Semi -Supervised Bayesian Network Model for Microblog Topic Classification","venue":null,"work_id":"33788f82-39e7-42eb-8852-9352fba4dd77","year":2012},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":50,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:071b44e76b84e735aada17f392995a281ba1209241bd960b2c4350ca50dbcd6f","observation_id":"88e6f0dd-4597-40bd-93c7-891bf1c97aec","resolution":{"observed_at":"2026-05-25T01:26:32.492580Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Utiliza ção De Redes Neurais Artificiais Para Classificação De Spam","venue":null,"work_id":"97d46ec1-c4ba-464a-9ff5-c41ac978666c","year":2009},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":51,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:2c5f05df5b460d239080a383878d0f1055a47fb8605b239aa2edb975e516fa3e","observation_id":"6d20aa6a-7755-4df2-82be-b063b842d15f","resolution":{"observed_at":"2026-05-25T01:26:32.480459Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Detecção De Mensagens Não Solicitadas Utilizando Mineração De Textos","venue":null,"work_id":"f3d50fb4-53af-4bcf-99d4-626b9bc08e52","year":2010},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":52,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:0774f14643010832ba74f4dd2581efc42c5860c72ef1b4c6d2729f53d8a4b971","observation_id":"c96a7a9c-5e87-473e-993b-c8d8305ad90b","resolution":{"observed_at":"2026-05-25T01:26:32.489117Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Min eração de opinião em textos opinativos utilizando algoritmos de classiﬁcação","venue":null,"work_id":"2bab44b4-0fda-4890-acaa-9dfbd3a6d9db","year":2013},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":53,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:ac64a17004214489ae719f4b64176d5f1b383cb78aa6b8add572dcc9ae8a5577","observation_id":"298c20a9-6092-440a-8fcb-d45fd7895091","resolution":{"observed_at":"2026-05-25T01:26:32.431434Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Twitter Sentiment Analysis : The Good the Bad and the OMG !","venue":null,"work_id":"ebcb812f-5783-44e3-bc97-3fa1b47a588a","year":2011},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":54,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:faa53ffa1970d38bbf1ba0a462b2a784f458fd2bd08b8554be85bbfc352513c1","observation_id":"1bb242f6-824c-461f-9384-840d3e890022","resolution":{"observed_at":"2026-05-25T01:26:32.484285Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Precise tweet classification and sentiment analysis","venue":null,"work_id":"05867215-41a7-430e-ac21-e22233cbfd39","year":2013},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":55,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:f1c28745cc428034c54dc48a5d2a171d5b9b8ecf1605381e39981d9b9c369a4f","observation_id":"efd0762d-01dd-4bca-ac89-785077492b0b","resolution":{"observed_at":"2026-05-25T01:26:32.519813Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Thumbs up?: sentiment classification using machine learning techniques","venue":null,"work_id":"28769673-0e3b-44ba-ac3a-bb295477740d","year":2002},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":56,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:3c8405c5515abd57c53ca06f00e14fe271d721e2743228791c1ad2aff40edc8b","observation_id":"e24112f8-8973-4730-979d-ae63437e3417","resolution":{"observed_at":"2026-05-25T01:26:32.428013Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Second HAREM : Advancing the State of the Art of Named Entity Recognition in Portuguese","venue":null,"work_id":"c69cb020-85ca-4b7d-ad68-18235223eff7","year":2010},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":57,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:00f6b7b78a1e40d3dc930f858a5a6e0e1d4684100d292f951af42f9b04d6633f","observation_id":"e60a4270-d5d1-41fa-9636-e96e9681af1e","resolution":{"observed_at":"2026-05-25T01:26:32.516679Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"CHAVE : topics and questions on the Portuguese participation in CLEF","venue":null,"work_id":"99921004-f203-450d-aec8-498e21f46b7a","year":2004},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":58,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:5b5f615005e9b0fb010beb00373984dac354dfb82773aff1b673932bdef38f7a","observation_id":"0d838952-bd87-47c6-a659-637757701bc4","resolution":{"observed_at":"2026-05-25T01:26:32.510210Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Stemming para a língua portuguesa: estudo, análise e melhoria do algoritmo RSLP","venue":null,"work_id":"d096d362-0db2-4b4b-b85b-7e0b1d85421f","year":2007},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":59,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:1178f9c46e87cbb5fcefa61229aed07d153d97507ba41a8afdc9e3cdb3eed31c","observation_id":"0fa6dee0-893b-476e-a9d9-9a8f25a21655","resolution":{"observed_at":"2026-05-25T01:26:32.498526Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Mac -Morpho Revisited: Towards Robust Part -of- Speech Tagging","venue":null,"work_id":"6a6b177e-bd7b-487e-93fa-ba9416653935","year":2013},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":60,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:fabbe9cd6f96f9f5b51b3dee0441bd87114f319d48883e686790f931ce05d856","observation_id":"bc7158d2-d453-4534-a283-8864ea59b6af","resolution":{"observed_at":"2026-05-25T01:26:32.499066Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Spam filtering with Naive Bayes -Which naive bayes?","venue":null,"work_id":"09328058-e63a-436a-8972-9bae8e7f77de","year":2006},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":61,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:ad6e1ff13e6b57e307e16cde769578be6a092f88141fd7d9b21588255aaf2fe2","observation_id":"56c4c8ec-2a31-4000-8163-4a5a4874ae03","resolution":{"observed_at":"2026-05-25T01:26:32.526723Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"The Form is the Substance: Classification of Genres in Text","venue":null,"work_id":"3183fc22-ccc8-4c54-816d-66d02ead8fb5","year":2001},"citing_paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response","version":1},"reference_index":62,"source":"pdf_text","source_observed_at":"2026-05-25T01:22:29.167625Z"},"links":{"citing_paper":"/paper/1907.04905"},"observation_digest":"sha256:bb2a9e3414189b035d779942be49dac860eda5b0676552507f7069be6b8be6c8","observation_id":"e07f7b60-3dd2-4935-9800-6eaa572429db","resolution":{"observed_at":"2026-05-25T01:26:32.495230Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"1907.04905","last_updated":"2019-07-08T03:24:53Z","latest_version":1,"primary_category":"cs.IR","snapshot_observed_at":"2026-07-06T08:06:55.407978Z","submitted_at":"2019-07-08T03:24:53Z","title":"Development of email classifier in Brazilian Portuguese using feature selection for automatic response"},"reference_resolution":{"displayed":62,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":14,"verified_exact":0,"verified_fuzzy":48},"total_outbound_references":62},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"thesis":"As of 22 August 2026, this Paper Citation Record lists 62 of 62 outbound references and 0 inbound Pith citation observations for arXiv:1907.04905."}