{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ONIGPSXN2VIZQDJC2OQCG4GG2E","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":"1c44ee89bbac96b6f4e15ec42adda50f7849dc7da5e338dd03e9b8c217f5be20","cross_cats_sorted":["cs.LG","cs.NE","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2015-02-05T22:51:45Z","title_canon_sha256":"135f5b86cf1963b5cb69863fde539717d2a18377a0e14dfd3793fc049ef1ba2b"},"schema_version":"1.0","source":{"id":"1502.01753","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.01753","created_at":"2026-05-18T00:57:38Z"},{"alias_kind":"arxiv_version","alias_value":"1502.01753v1","created_at":"2026-05-18T00:57:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.01753","created_at":"2026-05-18T00:57:38Z"},{"alias_kind":"pith_short_12","alias_value":"ONIGPSXN2VIZ","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"ONIGPSXN2VIZQDJC","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"ONIGPSXN","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:535ebdd4a2c8998d1833034254dbc57583bd11326c622c010e83ad48d0e0f50f","target":"graph","created_at":"2026-05-18T00:57:38Z","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":"Based on the Aristotelian concept of potentiality vs. actuality allowing for the study of energy and dynamics in language, we propose a field approach to lexical analysis. Falling back on the distributional hypothesis to statistically model word meaning, we used evolving fields as a metaphor to express time-dependent changes in a vector space model by a combination of random indexing and evolving self-organizing maps (ESOM). To monitor semantic drifts within the observation period, an experiment was carried out on the term space of a collection of 12.8 million Amazon book reviews. For evaluati","authors_text":"Efstratios Kontopoulos, Ioannis Kompatsiaris, Peter Wittek, S\\'andor Dar\\'anyi, Theodoros Moysiadis","cross_cats":["cs.LG","cs.NE","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2015-02-05T22:51:45Z","title":"Monitoring Term Drift Based on Semantic Consistency in an Evolving Vector Field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.01753","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":"sha256:0c0255112d1d26cefe29393503713c1cdc363c779977618115be602f98cbd09c","target":"record","created_at":"2026-05-18T00:57:38Z","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":"1c44ee89bbac96b6f4e15ec42adda50f7849dc7da5e338dd03e9b8c217f5be20","cross_cats_sorted":["cs.LG","cs.NE","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2015-02-05T22:51:45Z","title_canon_sha256":"135f5b86cf1963b5cb69863fde539717d2a18377a0e14dfd3793fc049ef1ba2b"},"schema_version":"1.0","source":{"id":"1502.01753","kind":"arxiv","version":1}},"canonical_sha256":"735067caedd551980d22d3a02370c6d12d7769a2d2918322657aeb9c4fdcb0a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"735067caedd551980d22d3a02370c6d12d7769a2d2918322657aeb9c4fdcb0a9","first_computed_at":"2026-05-18T00:57:38.400464Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:57:38.400464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CgiyyxmkECKVhf5/3r1H0unaxPiIB9Al0PjHgu15ZKjWlXvt9RTUbReiSrDzedTzlGstE3aagj7xQJu6/qvIDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:57:38.401118Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.01753","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c0255112d1d26cefe29393503713c1cdc363c779977618115be602f98cbd09c","sha256:535ebdd4a2c8998d1833034254dbc57583bd11326c622c010e83ad48d0e0f50f"],"state_sha256":"ace0e3e843aa20d6719b6f76f21fa42e36d1ed079e5a51c1491a78cfd0d6f1bc"}