{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:XN6VEHRVZDZ2RPERQMWIN6PLVJ","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":"a457c3398cfaaec6afa3504caf3a3b29607d6a3d9b3bb20449831b08f904f7f8","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2013-04-18T16:50:16Z","title_canon_sha256":"9c30e9d2ac11f10f22bde52ce308217ccf07643ed970d4f823cb54933405d0d6"},"schema_version":"1.0","source":{"id":"1304.5185","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.5185","created_at":"2026-05-18T03:26:51Z"},{"alias_kind":"arxiv_version","alias_value":"1304.5185v2","created_at":"2026-05-18T03:26:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.5185","created_at":"2026-05-18T03:26:51Z"},{"alias_kind":"pith_short_12","alias_value":"XN6VEHRVZDZ2","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"XN6VEHRVZDZ2RPER","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"XN6VEHRV","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:1226b2ed059e462d2fdc65a931b344e3e612c5b8bde5d6dacf75ac86cadfd992","target":"graph","created_at":"2026-05-18T03:26:51Z","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":"Our aim is to investigate ontology-based data access over temporal data with validity time and ontologies capable of temporal conceptual modelling. To this end, we design a temporal description logic, TQL, that extends the standard ontology language OWL 2 QL, provides basic means for temporal conceptual modelling and ensures first-order rewritability of conjunctive queries for suitably defined data instances with validity time.","authors_text":"Alessandro Artale, Frank Wolter, Michael Zakharyaschev, Roman Kontchakov","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2013-04-18T16:50:16Z","title":"Temporal Description Logic for Ontology-Based Data Access (Extended Version)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.5185","kind":"arxiv","version":2},"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":"sha256:50485a823472c47c4abfa44ef76cfdad411a910a04a21aea08b41f59639ed35d","target":"record","created_at":"2026-05-18T03:26:51Z","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":"a457c3398cfaaec6afa3504caf3a3b29607d6a3d9b3bb20449831b08f904f7f8","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2013-04-18T16:50:16Z","title_canon_sha256":"9c30e9d2ac11f10f22bde52ce308217ccf07643ed970d4f823cb54933405d0d6"},"schema_version":"1.0","source":{"id":"1304.5185","kind":"arxiv","version":2}},"canonical_sha256":"bb7d521e35c8f3a8bc91832c86f9ebaa5fb7f48a5be51354ca70ad25b94bfb68","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb7d521e35c8f3a8bc91832c86f9ebaa5fb7f48a5be51354ca70ad25b94bfb68","first_computed_at":"2026-05-18T03:26:51.989070Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:26:51.989070Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SqWsg+1YD9KrQJ51CAGbRSDU6ZDnmtiYhr095PsJmR78+5rDE5GMc8qRPVRUJmRrtzRB1kLXJj4tTiQSWFXpDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:26:51.989654Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.5185","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50485a823472c47c4abfa44ef76cfdad411a910a04a21aea08b41f59639ed35d","sha256:1226b2ed059e462d2fdc65a931b344e3e612c5b8bde5d6dacf75ac86cadfd992"],"state_sha256":"6daab450df414d8c086ef5cce315252bdb4a40f99669771c374f0e7f18fe3b71"}