{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:IRNDEPDPPVTVCEVX7KW4GJFNWP","short_pith_number":"pith:IRNDEPDP","schema_version":"1.0","canonical_sha256":"445a323c6f7d675112b7faadc324adb3ca42f86207b0a1b07992aac94dfac987","source":{"kind":"arxiv","id":"1205.4655","version":1},"attestation_state":"computed","paper":{"title":"The View-Update Problem for Indefinite Databases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.DB","authors_text":"Ester Zumpano, Irina Trubitsyna, Luciano Caroprese, Miroslaw Truszczynski","submitted_at":"2012-05-21T16:42:06Z","abstract_excerpt":"This paper introduces and studies a declarative framework for updating views over indefinite databases. An indefinite database is a database with null values that are represented, following the standard database approach, by a single null constant. The paper formalizes views over such databases as indefinite deductive databases, and defines for them several classes of database repairs that realize view-update requests. Most notable is the class of constrained repairs. Constrained repairs change the database \"minimally\" and avoid making arbitrary commitments. They narrow down the space of alter"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1205.4655","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2012-05-21T16:42:06Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"6c322ccad57e4e6213b290a1d6d463231245cd3a974faf829819113d332f9502","abstract_canon_sha256":"117566851b4e58fd69d6379a4e4a52449e9cee3586f5a25e3684ab777b3ceea5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:55:12.666050Z","signature_b64":"eTKPDUqJzATH2TAjcAm01H8QitYAth99ZSBzYTGd0e/ll44zZRRWupx8KPaDd04uHSY8mN0s9bWcsqcWgr51BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"445a323c6f7d675112b7faadc324adb3ca42f86207b0a1b07992aac94dfac987","last_reissued_at":"2026-05-18T03:55:12.665672Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:55:12.665672Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The View-Update Problem for Indefinite Databases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.DB","authors_text":"Ester Zumpano, Irina Trubitsyna, Luciano Caroprese, Miroslaw Truszczynski","submitted_at":"2012-05-21T16:42:06Z","abstract_excerpt":"This paper introduces and studies a declarative framework for updating views over indefinite databases. An indefinite database is a database with null values that are represented, following the standard database approach, by a single null constant. The paper formalizes views over such databases as indefinite deductive databases, and defines for them several classes of database repairs that realize view-update requests. Most notable is the class of constrained repairs. Constrained repairs change the database \"minimally\" and avoid making arbitrary commitments. They narrow down the space of alter"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.4655","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1205.4655","created_at":"2026-05-18T03:55:12.665725+00:00"},{"alias_kind":"arxiv_version","alias_value":"1205.4655v1","created_at":"2026-05-18T03:55:12.665725+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.4655","created_at":"2026-05-18T03:55:12.665725+00:00"},{"alias_kind":"pith_short_12","alias_value":"IRNDEPDPPVTV","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_16","alias_value":"IRNDEPDPPVTVCEVX","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_8","alias_value":"IRNDEPDP","created_at":"2026-05-18T12:27:09.501522+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IRNDEPDPPVTVCEVX7KW4GJFNWP","json":"https://pith.science/pith/IRNDEPDPPVTVCEVX7KW4GJFNWP.json","graph_json":"https://pith.science/api/pith-number/IRNDEPDPPVTVCEVX7KW4GJFNWP/graph.json","events_json":"https://pith.science/api/pith-number/IRNDEPDPPVTVCEVX7KW4GJFNWP/events.json","paper":"https://pith.science/paper/IRNDEPDP"},"agent_actions":{"view_html":"https://pith.science/pith/IRNDEPDPPVTVCEVX7KW4GJFNWP","download_json":"https://pith.science/pith/IRNDEPDPPVTVCEVX7KW4GJFNWP.json","view_paper":"https://pith.science/paper/IRNDEPDP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1205.4655&json=true","fetch_graph":"https://pith.science/api/pith-number/IRNDEPDPPVTVCEVX7KW4GJFNWP/graph.json","fetch_events":"https://pith.science/api/pith-number/IRNDEPDPPVTVCEVX7KW4GJFNWP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IRNDEPDPPVTVCEVX7KW4GJFNWP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IRNDEPDPPVTVCEVX7KW4GJFNWP/action/storage_attestation","attest_author":"https://pith.science/pith/IRNDEPDPPVTVCEVX7KW4GJFNWP/action/author_attestation","sign_citation":"https://pith.science/pith/IRNDEPDPPVTVCEVX7KW4GJFNWP/action/citation_signature","submit_replication":"https://pith.science/pith/IRNDEPDPPVTVCEVX7KW4GJFNWP/action/replication_record"}},"created_at":"2026-05-18T03:55:12.665725+00:00","updated_at":"2026-05-18T03:55:12.665725+00:00"}