{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4W3AMRJMB3DNV2T5HH2MBGS2R4","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":"21c4fbf9c65193565eb9db944e8e73d73a742bd4bd7df9afc0ad3a2b4e401c57","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2013-05-17T21:22:14Z","title_canon_sha256":"a7773f546475daa34ffe22ca8304c60c33bec9e5accc178ccad52d58cdc07b36"},"schema_version":"1.0","source":{"id":"1305.4195","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.4195","created_at":"2026-05-18T03:19:01Z"},{"alias_kind":"arxiv_version","alias_value":"1305.4195v2","created_at":"2026-05-18T03:19:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.4195","created_at":"2026-05-18T03:19:01Z"},{"alias_kind":"pith_short_12","alias_value":"4W3AMRJMB3DN","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4W3AMRJMB3DNV2T5","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4W3AMRJM","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:ac221fdd207087bbab7b8b75c977044eb7e94d1890f7b1ad2d1188b8698e73e1","target":"graph","created_at":"2026-05-18T03:19:01Z","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":"We study the problem of searching a repository of complex hierarchical workflows whose component modules, both composite and atomic, have been annotated with keywords. Since keyword search does not use the graph structure of a workflow, we develop a model of workflows using context-free bag grammars. We then give efficient polynomial-time algorithms that, given a workflow and a keyword query, determine whether some execution of the workflow matches the query. Based on these algorithms we develop a search and ranking solution that efficiently retrieves the top-k grammars from a repository. Fina","authors_text":"Julia Stoyanovich, Susan B. Davidson, Xiaocheng Huang, Xiaojie Yuan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2013-05-17T21:22:14Z","title":"Search and Result Presentation in Scientific Workflow Repositories"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.4195","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":"sha256:62c56f2fba408b6ffba4cdf7559605d8a8cf506cba50fbdf63cceaee4d117a53","target":"record","created_at":"2026-05-18T03:19:01Z","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":"21c4fbf9c65193565eb9db944e8e73d73a742bd4bd7df9afc0ad3a2b4e401c57","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2013-05-17T21:22:14Z","title_canon_sha256":"a7773f546475daa34ffe22ca8304c60c33bec9e5accc178ccad52d58cdc07b36"},"schema_version":"1.0","source":{"id":"1305.4195","kind":"arxiv","version":2}},"canonical_sha256":"e5b606452c0ec6daea7d39f4c09a5a8f00af6645b8cd436094dcf850bb632cef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5b606452c0ec6daea7d39f4c09a5a8f00af6645b8cd436094dcf850bb632cef","first_computed_at":"2026-05-18T03:19:01.017676Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:19:01.017676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oWH8wVB8wDTTRsg48rKAqoHYaLMaaylBRuRhao0LA9suKfSGDWOWHQgzo53HXhx+umMdXh6DsXy0K8UxY8oODQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:19:01.018706Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.4195","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:62c56f2fba408b6ffba4cdf7559605d8a8cf506cba50fbdf63cceaee4d117a53","sha256:ac221fdd207087bbab7b8b75c977044eb7e94d1890f7b1ad2d1188b8698e73e1"],"state_sha256":"99fe063f5a036957ca7078d119b0cd6ee7117a58855209afc668cbc995cade0b"}