{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:WUE2DPD5Q2SHXNSLDT7AUVPIBJ","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":"a6d1e188398c612e648a499568bbe1d643c3bc5cc7dffbb305151318cdd93284","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2014-01-16T05:06:09Z","title_canon_sha256":"bc4b4c59931ca581e791fb4dd86db72c33f69fb22d5b40e5647adbe042747718"},"schema_version":"1.0","source":{"id":"1405.5202","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.5202","created_at":"2026-05-18T02:51:25Z"},{"alias_kind":"arxiv_version","alias_value":"1405.5202v1","created_at":"2026-05-18T02:51:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.5202","created_at":"2026-05-18T02:51:25Z"},{"alias_kind":"pith_short_12","alias_value":"WUE2DPD5Q2SH","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WUE2DPD5Q2SHXNSL","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WUE2DPD5","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:2e1ab1947e8fa4d19ac0bd3aa5d0e214dbbc30363954508e8662af7b51b4233a","target":"graph","created_at":"2026-05-18T02:51:25Z","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":"Traditional learning-based coreference resolvers operate by training the mention-pair model for determining whether two mentions are coreferent or not. Though conceptually simple and easy to understand, the mention-pair model is linguistically rather unappealing and lags far behind the heuristic-based coreference models proposed in the pre-statistical NLP era in terms of sophistication. Two independent lines of recent research have attempted to improve the mention-pair model, one by acquiring the mention-ranking model to rank preceding mentions for a given anaphor, and the other by training th","authors_text":"Altaf Rahman, Vincent Ng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2014-01-16T05:06:09Z","title":"Narrowing the Modeling Gap: A Cluster-Ranking Approach to Coreference Resolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.5202","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":"sha256:6497be454b8acc054c7ba8b039259f04834a57b2a4bb518e3d2a7df91b4e4999","target":"record","created_at":"2026-05-18T02:51:25Z","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":"a6d1e188398c612e648a499568bbe1d643c3bc5cc7dffbb305151318cdd93284","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2014-01-16T05:06:09Z","title_canon_sha256":"bc4b4c59931ca581e791fb4dd86db72c33f69fb22d5b40e5647adbe042747718"},"schema_version":"1.0","source":{"id":"1405.5202","kind":"arxiv","version":1}},"canonical_sha256":"b509a1bc7d86a47bb64b1cfe0a55e80a5199c69bcc063a8600913d1cbfa83059","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b509a1bc7d86a47bb64b1cfe0a55e80a5199c69bcc063a8600913d1cbfa83059","first_computed_at":"2026-05-18T02:51:25.856148Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:51:25.856148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"By7WYVP/6dmsDv679uHnQYXK7dGJSlDIiQRSty+nm4OC8gtpJvQWYGaZGW1TxTcqPvtJSjzueJOSzp0jH2lsCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:51:25.856810Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.5202","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6497be454b8acc054c7ba8b039259f04834a57b2a4bb518e3d2a7df91b4e4999","sha256:2e1ab1947e8fa4d19ac0bd3aa5d0e214dbbc30363954508e8662af7b51b4233a"],"state_sha256":"57bdf58500aa4f161026db422aa06aa5db0e3f85b516aae35460464e07346567"}