{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QAZJR42Y6CLIGBAI5TMAGDAWAR","short_pith_number":"pith:QAZJR42Y","canonical_record":{"source":{"id":"1903.10512","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2019-03-25T18:00:02Z","cross_cats_sorted":["cs.IR","cs.SI"],"title_canon_sha256":"fa2b04fc0bbd8a869087a219851832fbe72397dd305f986044a7e9ad8732edc6","abstract_canon_sha256":"30ba56db512ae7105e96b2bc6c963ee3e23756dc213bd8a62e4ae739eac0c9d0"},"schema_version":"1.0"},"canonical_sha256":"803298f358f096830408ecd8030c160444390624df589c1b6343738995a8231e","source":{"kind":"arxiv","id":"1903.10512","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.10512","created_at":"2026-05-17T23:50:18Z"},{"alias_kind":"arxiv_version","alias_value":"1903.10512v1","created_at":"2026-05-17T23:50:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.10512","created_at":"2026-05-17T23:50:18Z"},{"alias_kind":"pith_short_12","alias_value":"QAZJR42Y6CLI","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QAZJR42Y6CLIGBAI","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QAZJR42Y","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QAZJR42Y6CLIGBAI5TMAGDAWAR","target":"record","payload":{"canonical_record":{"source":{"id":"1903.10512","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2019-03-25T18:00:02Z","cross_cats_sorted":["cs.IR","cs.SI"],"title_canon_sha256":"fa2b04fc0bbd8a869087a219851832fbe72397dd305f986044a7e9ad8732edc6","abstract_canon_sha256":"30ba56db512ae7105e96b2bc6c963ee3e23756dc213bd8a62e4ae739eac0c9d0"},"schema_version":"1.0"},"canonical_sha256":"803298f358f096830408ecd8030c160444390624df589c1b6343738995a8231e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:18.593106Z","signature_b64":"wt/XzHzF6/ImqZt1AZw186dSV6QvHaa/S27MaY9IiJt9gadY25HRyu6IoP3u+ewaJ3HuTAVEQPgNtYmsHutQCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"803298f358f096830408ecd8030c160444390624df589c1b6343738995a8231e","last_reissued_at":"2026-05-17T23:50:18.592419Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:18.592419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.10512","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:50:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"foijNCPiWtsDTUjWhEzA6iQZou6sZgl6HgG6jsOlkbPVb3gd1/a3H3voriOmtpPip49YqDV8MqPsy/CZb0wPAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:28:43.063653Z"},"content_sha256":"942c1c4548d04ba8d0bd38a26817476589ad9a20c9e38e2f9b0603e0a56dae3b","schema_version":"1.0","event_id":"sha256:942c1c4548d04ba8d0bd38a26817476589ad9a20c9e38e2f9b0603e0a56dae3b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QAZJR42Y6CLIGBAI5TMAGDAWAR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GEVR: An Event Venue Recommendation System for Groups of Mobile Users","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IR","cs.SI"],"primary_cat":"cs.HC","authors_text":"Jason Shuo Zhang, Mike Gartrell, Qin Lv, Richard Han, Shivakant Mishra","submitted_at":"2019-03-25T18:00:02Z","abstract_excerpt":"In this paper, we present GEVR, the first Group Event Venue Recommendation system that incorporates mobility via individual location traces and context information into a \"social-based\" group decision model to provide venue recommendations for groups of mobile users. Our study leverages a real-world dataset collected using the OutWithFriendz mobile app for group event planning, which contains 625 users and over 500 group events. We first develop a novel \"social-based\" group location prediction model, which adaptively applies different group decision strategies to groups with different social r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.10512","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:50:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kmJ8UEVKbVWcOsfi5AwGNMOirkVl1DohNXcnVkE0ASn15kGjpwu6O9m+GC7xtzbRd0IUbN5Rm+NPWo1m+6buBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:28:43.064256Z"},"content_sha256":"01c16a967663e782f61fc57c5f0aa970f6c9e1e31fc15589ebb6c1d869f22606","schema_version":"1.0","event_id":"sha256:01c16a967663e782f61fc57c5f0aa970f6c9e1e31fc15589ebb6c1d869f22606"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QAZJR42Y6CLIGBAI5TMAGDAWAR/bundle.json","state_url":"https://pith.science/pith/QAZJR42Y6CLIGBAI5TMAGDAWAR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QAZJR42Y6CLIGBAI5TMAGDAWAR/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T08:28:43Z","links":{"resolver":"https://pith.science/pith/QAZJR42Y6CLIGBAI5TMAGDAWAR","bundle":"https://pith.science/pith/QAZJR42Y6CLIGBAI5TMAGDAWAR/bundle.json","state":"https://pith.science/pith/QAZJR42Y6CLIGBAI5TMAGDAWAR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QAZJR42Y6CLIGBAI5TMAGDAWAR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QAZJR42Y6CLIGBAI5TMAGDAWAR","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"30ba56db512ae7105e96b2bc6c963ee3e23756dc213bd8a62e4ae739eac0c9d0","cross_cats_sorted":["cs.IR","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2019-03-25T18:00:02Z","title_canon_sha256":"fa2b04fc0bbd8a869087a219851832fbe72397dd305f986044a7e9ad8732edc6"},"schema_version":"1.0","source":{"id":"1903.10512","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.10512","created_at":"2026-05-17T23:50:18Z"},{"alias_kind":"arxiv_version","alias_value":"1903.10512v1","created_at":"2026-05-17T23:50:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.10512","created_at":"2026-05-17T23:50:18Z"},{"alias_kind":"pith_short_12","alias_value":"QAZJR42Y6CLI","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QAZJR42Y6CLIGBAI","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QAZJR42Y","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:01c16a967663e782f61fc57c5f0aa970f6c9e1e31fc15589ebb6c1d869f22606","target":"graph","created_at":"2026-05-17T23:50:18Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In this paper, we present GEVR, the first Group Event Venue Recommendation system that incorporates mobility via individual location traces and context information into a \"social-based\" group decision model to provide venue recommendations for groups of mobile users. Our study leverages a real-world dataset collected using the OutWithFriendz mobile app for group event planning, which contains 625 users and over 500 group events. We first develop a novel \"social-based\" group location prediction model, which adaptively applies different group decision strategies to groups with different social r","authors_text":"Jason Shuo Zhang, Mike Gartrell, Qin Lv, Richard Han, Shivakant Mishra","cross_cats":["cs.IR","cs.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2019-03-25T18:00:02Z","title":"GEVR: An Event Venue Recommendation System for Groups of Mobile Users"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.10512","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:942c1c4548d04ba8d0bd38a26817476589ad9a20c9e38e2f9b0603e0a56dae3b","target":"record","created_at":"2026-05-17T23:50:18Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"30ba56db512ae7105e96b2bc6c963ee3e23756dc213bd8a62e4ae739eac0c9d0","cross_cats_sorted":["cs.IR","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2019-03-25T18:00:02Z","title_canon_sha256":"fa2b04fc0bbd8a869087a219851832fbe72397dd305f986044a7e9ad8732edc6"},"schema_version":"1.0","source":{"id":"1903.10512","kind":"arxiv","version":1}},"canonical_sha256":"803298f358f096830408ecd8030c160444390624df589c1b6343738995a8231e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"803298f358f096830408ecd8030c160444390624df589c1b6343738995a8231e","first_computed_at":"2026-05-17T23:50:18.592419Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:18.592419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wt/XzHzF6/ImqZt1AZw186dSV6QvHaa/S27MaY9IiJt9gadY25HRyu6IoP3u+ewaJ3HuTAVEQPgNtYmsHutQCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:18.593106Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.10512","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:942c1c4548d04ba8d0bd38a26817476589ad9a20c9e38e2f9b0603e0a56dae3b","sha256:01c16a967663e782f61fc57c5f0aa970f6c9e1e31fc15589ebb6c1d869f22606"],"state_sha256":"a09cfb6a30ae3ab8b35745bab11b9d3cb474c8b919436e30a8cf8e66de7e0e2f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hHQ8Oc8EOP5z7uzbgMb+Gn/ko3Cyt/ReN/myBNmwAhC4XMckfxi0GRsfg6VJI11ac5o55/lM1u8nOKFa9LyoCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T08:28:43.067604Z","bundle_sha256":"770554646fe9bc8d51cbf731132a5066cf2693e1dbbab6be2cb2d916b672b6d2"}}