{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:L5PUIOWURUZ65S2ABQXVAQ23NV","short_pith_number":"pith:L5PUIOWU","schema_version":"1.0","canonical_sha256":"5f5f443ad48d33eecb400c2f50435b6d5bd17e0e8d9dd5d0756dfbbb2509a0f2","source":{"kind":"arxiv","id":"1901.07627","version":1},"attestation_state":"computed","paper":{"title":"Just-in-Time Index Compilation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Darshana Balakrishnan, Lukasz Ziarek, Oliver Kennedy","submitted_at":"2019-01-22T22:19:17Z","abstract_excerpt":"Creating or modifying a primary index is a time-consuming process, as the index typically needs to be rebuilt from scratch. In this paper, we explore a more graceful \"just-in-time\" approach to index reorganization, where small changes are dynamically applied in the background. To enable this type of reorganization, we formalize a composable organizational grammar, expressive enough to capture instances of not only existing index structures, but arbitrary hybrids as well. We introduce an algebra of rewrite rules for such structures, and a framework for defining and optimizing policies for just-"},"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":"1901.07627","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2019-01-22T22:19:17Z","cross_cats_sorted":[],"title_canon_sha256":"ebbb4fbf3fc7ba76b5cf1d86236f0a70b84ccd3958369f06777bfac0974708f8","abstract_canon_sha256":"a497a96389f4bdf6d6ed711a1daa6f0143ff2c11e59780531aad911f888199a5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:42.014020Z","signature_b64":"wLLDVj97rnYpTM5kGFBg7+2t5w7L4EEeIRUe48lziWrWHeU+gy4O83N5kxAxSVb76mc2lxBS+sMnlVeSV7OZBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f5f443ad48d33eecb400c2f50435b6d5bd17e0e8d9dd5d0756dfbbb2509a0f2","last_reissued_at":"2026-05-17T23:55:42.013496Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:42.013496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Just-in-Time Index Compilation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Darshana Balakrishnan, Lukasz Ziarek, Oliver Kennedy","submitted_at":"2019-01-22T22:19:17Z","abstract_excerpt":"Creating or modifying a primary index is a time-consuming process, as the index typically needs to be rebuilt from scratch. In this paper, we explore a more graceful \"just-in-time\" approach to index reorganization, where small changes are dynamically applied in the background. To enable this type of reorganization, we formalize a composable organizational grammar, expressive enough to capture instances of not only existing index structures, but arbitrary hybrids as well. We introduce an algebra of rewrite rules for such structures, and a framework for defining and optimizing policies for just-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.07627","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":"1901.07627","created_at":"2026-05-17T23:55:42.013570+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.07627v1","created_at":"2026-05-17T23:55:42.013570+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.07627","created_at":"2026-05-17T23:55:42.013570+00:00"},{"alias_kind":"pith_short_12","alias_value":"L5PUIOWURUZ6","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_16","alias_value":"L5PUIOWURUZ65S2A","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_8","alias_value":"L5PUIOWU","created_at":"2026-05-18T12:33:21.387695+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/L5PUIOWURUZ65S2ABQXVAQ23NV","json":"https://pith.science/pith/L5PUIOWURUZ65S2ABQXVAQ23NV.json","graph_json":"https://pith.science/api/pith-number/L5PUIOWURUZ65S2ABQXVAQ23NV/graph.json","events_json":"https://pith.science/api/pith-number/L5PUIOWURUZ65S2ABQXVAQ23NV/events.json","paper":"https://pith.science/paper/L5PUIOWU"},"agent_actions":{"view_html":"https://pith.science/pith/L5PUIOWURUZ65S2ABQXVAQ23NV","download_json":"https://pith.science/pith/L5PUIOWURUZ65S2ABQXVAQ23NV.json","view_paper":"https://pith.science/paper/L5PUIOWU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.07627&json=true","fetch_graph":"https://pith.science/api/pith-number/L5PUIOWURUZ65S2ABQXVAQ23NV/graph.json","fetch_events":"https://pith.science/api/pith-number/L5PUIOWURUZ65S2ABQXVAQ23NV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/L5PUIOWURUZ65S2ABQXVAQ23NV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/L5PUIOWURUZ65S2ABQXVAQ23NV/action/storage_attestation","attest_author":"https://pith.science/pith/L5PUIOWURUZ65S2ABQXVAQ23NV/action/author_attestation","sign_citation":"https://pith.science/pith/L5PUIOWURUZ65S2ABQXVAQ23NV/action/citation_signature","submit_replication":"https://pith.science/pith/L5PUIOWURUZ65S2ABQXVAQ23NV/action/replication_record"}},"created_at":"2026-05-17T23:55:42.013570+00:00","updated_at":"2026-05-17T23:55:42.013570+00:00"}