{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:DGZ7LFD4ZS6SBSVHWHYZQBTSCE","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":"1583d5fff2f0089e5ddc531c9fdbbc59efac0172c78ee1cebda892fd7ef65df0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-08-21T03:33:58Z","title_canon_sha256":"317af0e325a2054fb976d0063edcc594daf2df7de4f4a14a21f4021a5bf1ee86"},"schema_version":"1.0","source":{"id":"1708.06075","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.06075","created_at":"2026-05-18T00:37:43Z"},{"alias_kind":"arxiv_version","alias_value":"1708.06075v1","created_at":"2026-05-18T00:37:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.06075","created_at":"2026-05-18T00:37:43Z"},{"alias_kind":"pith_short_12","alias_value":"DGZ7LFD4ZS6S","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"DGZ7LFD4ZS6SBSVH","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"DGZ7LFD4","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:1a0d875615f5257a7080f6a5794ea798eb673f3d0081187549892b177433d7a8","target":"graph","created_at":"2026-05-18T00:37:43Z","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":"This paper addresses the problem of extracting keyphrases from scientific articles and categorizing them as corresponding to a task, process, or material. We cast the problem as sequence tagging and introduce semi-supervised methods to a neural tagging model, which builds on recent advances in named entity recognition. Since annotated training data is scarce in this domain, we introduce a graph-based semi-supervised algorithm together with a data selection scheme to leverage unannotated articles. Both inductive and transductive semi-supervised learning strategies outperform state-of-the-art in","authors_text":"Hannaneh Hajishirzi, Mari Ostendorf, Yi Luan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-08-21T03:33:58Z","title":"Scientific Information Extraction with Semi-supervised Neural Tagging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.06075","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:d14035aace0ab4301f387d228f867c263576fa29b206d5c631c638add5bef862","target":"record","created_at":"2026-05-18T00:37:43Z","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":"1583d5fff2f0089e5ddc531c9fdbbc59efac0172c78ee1cebda892fd7ef65df0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-08-21T03:33:58Z","title_canon_sha256":"317af0e325a2054fb976d0063edcc594daf2df7de4f4a14a21f4021a5bf1ee86"},"schema_version":"1.0","source":{"id":"1708.06075","kind":"arxiv","version":1}},"canonical_sha256":"19b3f5947cccbd20caa7b1f1980672111e76bc969261e0343eb55e7f7627058c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19b3f5947cccbd20caa7b1f1980672111e76bc969261e0343eb55e7f7627058c","first_computed_at":"2026-05-18T00:37:43.313976Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:43.313976Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y24bfcmIXvI057A+JV8z+4F7AYkRfoRjN2ARBPeK3Sw5M5Vbu31k42MQOr8TaYk1fkAdbe0oXLCCx2paSlAXDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:43.314660Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.06075","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d14035aace0ab4301f387d228f867c263576fa29b206d5c631c638add5bef862","sha256:1a0d875615f5257a7080f6a5794ea798eb673f3d0081187549892b177433d7a8"],"state_sha256":"5031d3c66ebbbf6885b29465f30e14532067df1e5d85acf9c6c62cb651e94bbc"}