{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:EXRLHO6ZCGF7JTDRFHGZH2ONRV","short_pith_number":"pith:EXRLHO6Z","canonical_record":{"source":{"id":"2009.14809","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2020-09-30T17:32:27Z","cross_cats_sorted":[],"title_canon_sha256":"db4d6167f0a3211d6543067e997ddc769065e18b091baf93171735da13410b09","abstract_canon_sha256":"067090128d167271f24401349c494eef917d06ade915fca36e8444154e217c43"},"schema_version":"1.0"},"canonical_sha256":"25e2b3bbd9118bf4cc7129cd93e9cd8d64eb5033f8f2f9a01f74aea2ae47c25e","source":{"kind":"arxiv","id":"2009.14809","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.14809","created_at":"2026-07-05T01:53:22Z"},{"alias_kind":"arxiv_version","alias_value":"2009.14809v2","created_at":"2026-07-05T01:53:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.14809","created_at":"2026-07-05T01:53:22Z"},{"alias_kind":"pith_short_12","alias_value":"EXRLHO6ZCGF7","created_at":"2026-07-05T01:53:22Z"},{"alias_kind":"pith_short_16","alias_value":"EXRLHO6ZCGF7JTDR","created_at":"2026-07-05T01:53:22Z"},{"alias_kind":"pith_short_8","alias_value":"EXRLHO6Z","created_at":"2026-07-05T01:53:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:EXRLHO6ZCGF7JTDRFHGZH2ONRV","target":"record","payload":{"canonical_record":{"source":{"id":"2009.14809","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2020-09-30T17:32:27Z","cross_cats_sorted":[],"title_canon_sha256":"db4d6167f0a3211d6543067e997ddc769065e18b091baf93171735da13410b09","abstract_canon_sha256":"067090128d167271f24401349c494eef917d06ade915fca36e8444154e217c43"},"schema_version":"1.0"},"canonical_sha256":"25e2b3bbd9118bf4cc7129cd93e9cd8d64eb5033f8f2f9a01f74aea2ae47c25e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:53:22.404166Z","signature_b64":"jv4GAbkByZsSXQjudLuT6CaE8wTbn6h8yEjZRkPNR8tgBTZCu1wwSVp5TIn0S2yCyzg4q+/pTzwRhiFAHzeVAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25e2b3bbd9118bf4cc7129cd93e9cd8d64eb5033f8f2f9a01f74aea2ae47c25e","last_reissued_at":"2026-07-05T01:53:22.403785Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:53:22.403785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.14809","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:53:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LqLhrYiR0WlNce06n+6Ec9J2gx6Vvdiw5RDiiWWGFQoMtucvWT3ajOadN5xoeh6kX1ztH/xjaq/+Hc50muhOBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:44:49.977460Z"},"content_sha256":"e625888dc2fec423447565d2896326e64326077478bb60d41b205a8bf8cbd3d0","schema_version":"1.0","event_id":"sha256:e625888dc2fec423447565d2896326e64326077478bb60d41b205a8bf8cbd3d0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:EXRLHO6ZCGF7JTDRFHGZH2ONRV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Tale of Two Linkings: Dynamically Gating between Schema Linking and Structural Linking for Text-to-SQL Parsing","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Aidan San, Sanxing Chen, XiaoDong Liu, Yangfeng Ji","submitted_at":"2020-09-30T17:32:27Z","abstract_excerpt":"In Text-to-SQL semantic parsing, selecting the correct entities (tables and columns) for the generated SQL query is both crucial and challenging; the parser is required to connect the natural language (NL) question and the SQL query to the structured knowledge in the database. We formulate two linking processes to address this challenge: schema linking which links explicit NL mentions to the database and structural linking which links the entities in the output SQL with their structural relationships in the database schema. Intuitively, the effectiveness of these two linking processes changes "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.14809","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2009.14809/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:53:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KBw+hgpA+hotXps/+iQkNZoAfbLYn7I5hiylKMtBfwWHsB6qkLHNt82OHy3UpP4b2w3N6TRV0Qv7fwfVSr2uCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:44:49.977967Z"},"content_sha256":"05510d1acd616f3c83853fa99f713798a07b022e2822f5f91ec65b28b6981137","schema_version":"1.0","event_id":"sha256:05510d1acd616f3c83853fa99f713798a07b022e2822f5f91ec65b28b6981137"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EXRLHO6ZCGF7JTDRFHGZH2ONRV/bundle.json","state_url":"https://pith.science/pith/EXRLHO6ZCGF7JTDRFHGZH2ONRV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EXRLHO6ZCGF7JTDRFHGZH2ONRV/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-12T18:44:49Z","links":{"resolver":"https://pith.science/pith/EXRLHO6ZCGF7JTDRFHGZH2ONRV","bundle":"https://pith.science/pith/EXRLHO6ZCGF7JTDRFHGZH2ONRV/bundle.json","state":"https://pith.science/pith/EXRLHO6ZCGF7JTDRFHGZH2ONRV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EXRLHO6ZCGF7JTDRFHGZH2ONRV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:EXRLHO6ZCGF7JTDRFHGZH2ONRV","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":"067090128d167271f24401349c494eef917d06ade915fca36e8444154e217c43","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2020-09-30T17:32:27Z","title_canon_sha256":"db4d6167f0a3211d6543067e997ddc769065e18b091baf93171735da13410b09"},"schema_version":"1.0","source":{"id":"2009.14809","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.14809","created_at":"2026-07-05T01:53:22Z"},{"alias_kind":"arxiv_version","alias_value":"2009.14809v2","created_at":"2026-07-05T01:53:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.14809","created_at":"2026-07-05T01:53:22Z"},{"alias_kind":"pith_short_12","alias_value":"EXRLHO6ZCGF7","created_at":"2026-07-05T01:53:22Z"},{"alias_kind":"pith_short_16","alias_value":"EXRLHO6ZCGF7JTDR","created_at":"2026-07-05T01:53:22Z"},{"alias_kind":"pith_short_8","alias_value":"EXRLHO6Z","created_at":"2026-07-05T01:53:22Z"}],"graph_snapshots":[{"event_id":"sha256:05510d1acd616f3c83853fa99f713798a07b022e2822f5f91ec65b28b6981137","target":"graph","created_at":"2026-07-05T01:53:22Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2009.14809/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In Text-to-SQL semantic parsing, selecting the correct entities (tables and columns) for the generated SQL query is both crucial and challenging; the parser is required to connect the natural language (NL) question and the SQL query to the structured knowledge in the database. We formulate two linking processes to address this challenge: schema linking which links explicit NL mentions to the database and structural linking which links the entities in the output SQL with their structural relationships in the database schema. Intuitively, the effectiveness of these two linking processes changes ","authors_text":"Aidan San, Sanxing Chen, XiaoDong Liu, Yangfeng Ji","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2020-09-30T17:32:27Z","title":"A Tale of Two Linkings: Dynamically Gating between Schema Linking and Structural Linking for Text-to-SQL Parsing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.14809","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:e625888dc2fec423447565d2896326e64326077478bb60d41b205a8bf8cbd3d0","target":"record","created_at":"2026-07-05T01:53:22Z","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":"067090128d167271f24401349c494eef917d06ade915fca36e8444154e217c43","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2020-09-30T17:32:27Z","title_canon_sha256":"db4d6167f0a3211d6543067e997ddc769065e18b091baf93171735da13410b09"},"schema_version":"1.0","source":{"id":"2009.14809","kind":"arxiv","version":2}},"canonical_sha256":"25e2b3bbd9118bf4cc7129cd93e9cd8d64eb5033f8f2f9a01f74aea2ae47c25e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"25e2b3bbd9118bf4cc7129cd93e9cd8d64eb5033f8f2f9a01f74aea2ae47c25e","first_computed_at":"2026-07-05T01:53:22.403785Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:53:22.403785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jv4GAbkByZsSXQjudLuT6CaE8wTbn6h8yEjZRkPNR8tgBTZCu1wwSVp5TIn0S2yCyzg4q+/pTzwRhiFAHzeVAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:53:22.404166Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.14809","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e625888dc2fec423447565d2896326e64326077478bb60d41b205a8bf8cbd3d0","sha256:05510d1acd616f3c83853fa99f713798a07b022e2822f5f91ec65b28b6981137"],"state_sha256":"dbce9c2e0a55b11d2736f6ec86ae548eb653d966f2b80792df699a3bc95d73ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DelHZOsGeE68XB8sAvts1fC5ACUy17q3QeCuSUuBpTwqIv+EFSlhyR/E2ET3P3HvYe8yrAYCWUVSLlTCNFXXDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T18:44:49.982223Z","bundle_sha256":"e498bbc344d32e9f2a0c4012b79cf5ee8b774d3a0534d91d10bfbc865540d38d"}}