{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:VFARHW4VMAOROPBR7DJDE2DDPB","short_pith_number":"pith:VFARHW4V","schema_version":"1.0","canonical_sha256":"a94113db95601d173c31f8d23268637843a68cf0b8839279693e2bbc2b550d9d","source":{"kind":"arxiv","id":"1806.00227","version":1},"attestation_state":"computed","paper":{"title":"SaGe: Preemptive Query Execution for High Data Availability on the Web","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Hala Skaf-Molli, Pascal Molli, Thomas Minier","submitted_at":"2018-06-01T07:56:22Z","abstract_excerpt":"Semantic Web applications require querying available RDF Data with high performance and reliability. However, ensuring both data availability and performant SPARQL query execution in the context of public SPARQL servers are challenging problems. Queries could have arbitrary execution time and unknown arrival rates. In this paper, we propose SaGe, a preemptive server-side SPARQL query engine. SaGe relies on a preemptable physical query execution plan and preemptable physical operators. SaGe stops query execution after a given slice of time, saves the state of the plan and sends the saved plan b"},"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":"1806.00227","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2018-06-01T07:56:22Z","cross_cats_sorted":[],"title_canon_sha256":"27f7574c94d8dc8664cd3d30bcf4c93d427b0265b3ac1276734c7b6e53e8ec37","abstract_canon_sha256":"c17932a352cd7087032382042e606bdf56df341712900be96d56dc8ee6bb4e37"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:27.550638Z","signature_b64":"jj6bgf5VlthxjAJfhKopy4/lppXDJqSHi9CMJXVJ9Qv2hKME0bh5PX22ZehgEA5x1kgrddr3kgdNLEoqA8i0Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a94113db95601d173c31f8d23268637843a68cf0b8839279693e2bbc2b550d9d","last_reissued_at":"2026-05-18T00:14:27.549888Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:27.549888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"SaGe: Preemptive Query Execution for High Data Availability on the Web","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Hala Skaf-Molli, Pascal Molli, Thomas Minier","submitted_at":"2018-06-01T07:56:22Z","abstract_excerpt":"Semantic Web applications require querying available RDF Data with high performance and reliability. However, ensuring both data availability and performant SPARQL query execution in the context of public SPARQL servers are challenging problems. Queries could have arbitrary execution time and unknown arrival rates. In this paper, we propose SaGe, a preemptive server-side SPARQL query engine. SaGe relies on a preemptable physical query execution plan and preemptable physical operators. SaGe stops query execution after a given slice of time, saves the state of the plan and sends the saved plan b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.00227","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":"1806.00227","created_at":"2026-05-18T00:14:27.549975+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.00227v1","created_at":"2026-05-18T00:14:27.549975+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.00227","created_at":"2026-05-18T00:14:27.549975+00:00"},{"alias_kind":"pith_short_12","alias_value":"VFARHW4VMAOR","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_16","alias_value":"VFARHW4VMAOROPBR","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_8","alias_value":"VFARHW4V","created_at":"2026-05-18T12:32:59.047623+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/VFARHW4VMAOROPBR7DJDE2DDPB","json":"https://pith.science/pith/VFARHW4VMAOROPBR7DJDE2DDPB.json","graph_json":"https://pith.science/api/pith-number/VFARHW4VMAOROPBR7DJDE2DDPB/graph.json","events_json":"https://pith.science/api/pith-number/VFARHW4VMAOROPBR7DJDE2DDPB/events.json","paper":"https://pith.science/paper/VFARHW4V"},"agent_actions":{"view_html":"https://pith.science/pith/VFARHW4VMAOROPBR7DJDE2DDPB","download_json":"https://pith.science/pith/VFARHW4VMAOROPBR7DJDE2DDPB.json","view_paper":"https://pith.science/paper/VFARHW4V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.00227&json=true","fetch_graph":"https://pith.science/api/pith-number/VFARHW4VMAOROPBR7DJDE2DDPB/graph.json","fetch_events":"https://pith.science/api/pith-number/VFARHW4VMAOROPBR7DJDE2DDPB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VFARHW4VMAOROPBR7DJDE2DDPB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VFARHW4VMAOROPBR7DJDE2DDPB/action/storage_attestation","attest_author":"https://pith.science/pith/VFARHW4VMAOROPBR7DJDE2DDPB/action/author_attestation","sign_citation":"https://pith.science/pith/VFARHW4VMAOROPBR7DJDE2DDPB/action/citation_signature","submit_replication":"https://pith.science/pith/VFARHW4VMAOROPBR7DJDE2DDPB/action/replication_record"}},"created_at":"2026-05-18T00:14:27.549975+00:00","updated_at":"2026-05-18T00:14:27.549975+00:00"}