{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:226EUXV62UO2T3AHIHO52DDLDJ","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":"21cf94fcea9893ff46ae3c6746cb3d57f0c93055d2109cf903abda17eaebcfbf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-07-13T15:15:41Z","title_canon_sha256":"f0b0c281094585b1b043b75feef6eed4a2f4b03aa4c17e8757fe4ed324dd3fce"},"schema_version":"1.0","source":{"id":"1807.05127","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.05127","created_at":"2026-05-18T00:10:48Z"},{"alias_kind":"arxiv_version","alias_value":"1807.05127v1","created_at":"2026-05-18T00:10:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.05127","created_at":"2026-05-18T00:10:48Z"},{"alias_kind":"pith_short_12","alias_value":"226EUXV62UO2","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"226EUXV62UO2T3AH","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"226EUXV6","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:9224cbd847f0e472d8183baa1318ce901bc28d613a0fe05f67ebf999640697ea","target":"graph","created_at":"2026-05-18T00:10:48Z","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":"Extraction from raw text to a knowledge base of entities and fine-grained types is often cast as prediction into a flat set of entity and type labels, neglecting the rich hierarchies over types and entities contained in curated ontologies. Previous attempts to incorporate hierarchical structure have yielded little benefit and are restricted to shallow ontologies. This paper presents new methods using real and complex bilinear mappings for integrating hierarchical information, yielding substantial improvement over flat predictions in entity linking and fine-grained entity typing, and achieving ","authors_text":"Andrew McCallum, Irena Radovanovic, Luke Vilnis, Patrick Verga*, Shikhar Murty*","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-07-13T15:15:41Z","title":"Hierarchical Losses and New Resources for Fine-grained Entity Typing and Linking"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.05127","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:c09001ff4afb40e2dbc034afa8f0140b3d85eca5432c4a2a48922cac93c08652","target":"record","created_at":"2026-05-18T00:10:48Z","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":"21cf94fcea9893ff46ae3c6746cb3d57f0c93055d2109cf903abda17eaebcfbf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-07-13T15:15:41Z","title_canon_sha256":"f0b0c281094585b1b043b75feef6eed4a2f4b03aa4c17e8757fe4ed324dd3fce"},"schema_version":"1.0","source":{"id":"1807.05127","kind":"arxiv","version":1}},"canonical_sha256":"d6bc4a5ebed51da9ec0741dddd0c6b1a7ba17a47fc9326c0d3be115a449e90c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6bc4a5ebed51da9ec0741dddd0c6b1a7ba17a47fc9326c0d3be115a449e90c0","first_computed_at":"2026-05-18T00:10:48.669795Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:48.669795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UaqnSpWXipDq/6WlGJ5TC1xMxYdUVYH8c6qTZNJssJfX42dT8AV41JpA/uUe3RTS5cmxs5dbF8YwAS3yznReCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:48.670482Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.05127","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c09001ff4afb40e2dbc034afa8f0140b3d85eca5432c4a2a48922cac93c08652","sha256:9224cbd847f0e472d8183baa1318ce901bc28d613a0fe05f67ebf999640697ea"],"state_sha256":"bc82c45f9af7798062da3fce89bf3c9858f0c41594b97efa80a67a0c6d1a82f3"}