{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:SWPUH4BHKMLZX2ILYTOT72GENH","short_pith_number":"pith:SWPUH4BH","schema_version":"1.0","canonical_sha256":"959f43f02753179be90bc4dd3fe8c469e239ba8a5e13c4e5a84ea0c02837f2b5","source":{"kind":"arxiv","id":"1902.04129","version":1},"attestation_state":"computed","paper":{"title":"CPOI: A Compact Method to Archive Versioned RDF Triple-Sets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Maria Psaraki, Yannis Tzitzikas","submitted_at":"2019-02-11T20:24:09Z","abstract_excerpt":"Large amounts of RDF/S data are produced and published lately, and several modern applications require the provision of versioning and archiving services over such datasets. In this paper we propose a novel storage index for archiving versions of such datasets, called CPOI (compact partial order index), that exploits the fact that an RDF Knowledge Base (KB), is a graph (or equivalently a set of triples), and thus it has not a unique serialization (as it happens with text). If we want to keep stored several versions we actually want to store multiple sets of triples. CPOI is a data structure fo"},"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":"1902.04129","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2019-02-11T20:24:09Z","cross_cats_sorted":[],"title_canon_sha256":"504c9dfd1d191f0932d374453a5e585e500ef23d934b814da349c931b5417d69","abstract_canon_sha256":"eeff7fed5385e4c6225b47d75bba22f40cb49a729c93e7209d95d46b412a681d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:13.040529Z","signature_b64":"7WaIXTA+KliJm+Sg9BkXHA4NAkM6LZReMFcCetgeZ4H5yP1jcxZumyKIk59R/2MKtjS2BJAzbbNj+si9DFD0BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"959f43f02753179be90bc4dd3fe8c469e239ba8a5e13c4e5a84ea0c02837f2b5","last_reissued_at":"2026-05-17T23:54:13.040050Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:13.040050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"CPOI: A Compact Method to Archive Versioned RDF Triple-Sets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Maria Psaraki, Yannis Tzitzikas","submitted_at":"2019-02-11T20:24:09Z","abstract_excerpt":"Large amounts of RDF/S data are produced and published lately, and several modern applications require the provision of versioning and archiving services over such datasets. In this paper we propose a novel storage index for archiving versions of such datasets, called CPOI (compact partial order index), that exploits the fact that an RDF Knowledge Base (KB), is a graph (or equivalently a set of triples), and thus it has not a unique serialization (as it happens with text). If we want to keep stored several versions we actually want to store multiple sets of triples. CPOI is a data structure fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.04129","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":"1902.04129","created_at":"2026-05-17T23:54:13.040119+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.04129v1","created_at":"2026-05-17T23:54:13.040119+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.04129","created_at":"2026-05-17T23:54:13.040119+00:00"},{"alias_kind":"pith_short_12","alias_value":"SWPUH4BHKMLZ","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_16","alias_value":"SWPUH4BHKMLZX2IL","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_8","alias_value":"SWPUH4BH","created_at":"2026-05-18T12:33:27.125529+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/SWPUH4BHKMLZX2ILYTOT72GENH","json":"https://pith.science/pith/SWPUH4BHKMLZX2ILYTOT72GENH.json","graph_json":"https://pith.science/api/pith-number/SWPUH4BHKMLZX2ILYTOT72GENH/graph.json","events_json":"https://pith.science/api/pith-number/SWPUH4BHKMLZX2ILYTOT72GENH/events.json","paper":"https://pith.science/paper/SWPUH4BH"},"agent_actions":{"view_html":"https://pith.science/pith/SWPUH4BHKMLZX2ILYTOT72GENH","download_json":"https://pith.science/pith/SWPUH4BHKMLZX2ILYTOT72GENH.json","view_paper":"https://pith.science/paper/SWPUH4BH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.04129&json=true","fetch_graph":"https://pith.science/api/pith-number/SWPUH4BHKMLZX2ILYTOT72GENH/graph.json","fetch_events":"https://pith.science/api/pith-number/SWPUH4BHKMLZX2ILYTOT72GENH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SWPUH4BHKMLZX2ILYTOT72GENH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SWPUH4BHKMLZX2ILYTOT72GENH/action/storage_attestation","attest_author":"https://pith.science/pith/SWPUH4BHKMLZX2ILYTOT72GENH/action/author_attestation","sign_citation":"https://pith.science/pith/SWPUH4BHKMLZX2ILYTOT72GENH/action/citation_signature","submit_replication":"https://pith.science/pith/SWPUH4BHKMLZX2ILYTOT72GENH/action/replication_record"}},"created_at":"2026-05-17T23:54:13.040119+00:00","updated_at":"2026-05-17T23:54:13.040119+00:00"}