{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:LX7FBZ2ZYKT5A4MYVCZJP7ZLTB","short_pith_number":"pith:LX7FBZ2Z","canonical_record":{"source":{"id":"2210.00063","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2022-09-30T19:51:52Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"982d0e7ed27b80f261040acfb60589f26a93ec28f060b1e9af591788c5274e8f","abstract_canon_sha256":"96186b6976f3397029625e1d61a48bf3b58f511a215436a2f137e5c664d51c5d"},"schema_version":"1.0"},"canonical_sha256":"5dfe50e759c2a7d07198a8b297ff2b9857bef772764e4823122433acd545d3ca","source":{"kind":"arxiv","id":"2210.00063","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.00063","created_at":"2026-07-05T06:01:13Z"},{"alias_kind":"arxiv_version","alias_value":"2210.00063v2","created_at":"2026-07-05T06:01:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.00063","created_at":"2026-07-05T06:01:13Z"},{"alias_kind":"pith_short_12","alias_value":"LX7FBZ2ZYKT5","created_at":"2026-07-05T06:01:13Z"},{"alias_kind":"pith_short_16","alias_value":"LX7FBZ2ZYKT5A4MY","created_at":"2026-07-05T06:01:13Z"},{"alias_kind":"pith_short_8","alias_value":"LX7FBZ2Z","created_at":"2026-07-05T06:01:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:LX7FBZ2ZYKT5A4MYVCZJP7ZLTB","target":"record","payload":{"canonical_record":{"source":{"id":"2210.00063","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2022-09-30T19:51:52Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"982d0e7ed27b80f261040acfb60589f26a93ec28f060b1e9af591788c5274e8f","abstract_canon_sha256":"96186b6976f3397029625e1d61a48bf3b58f511a215436a2f137e5c664d51c5d"},"schema_version":"1.0"},"canonical_sha256":"5dfe50e759c2a7d07198a8b297ff2b9857bef772764e4823122433acd545d3ca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:01:13.901146Z","signature_b64":"jXGYrmE4i2jq/qEiEassktwDHPDei87trLbbdEHj9TgtNPtp0WC7U14M1lOBF2KuSO5I7PUthxf8pziOaGCACA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5dfe50e759c2a7d07198a8b297ff2b9857bef772764e4823122433acd545d3ca","last_reissued_at":"2026-07-05T06:01:13.900716Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:01:13.900716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.00063","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":"2026-07-05T06:01:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3H7dy2iW4lWnUdApSG0dTC96uHCilzIBWmVR5Ay7YwvKvHeDWTX2Go1GMDE0WqNFoYO2P+QlIeJKporytGy7CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T01:50:46.729234Z"},"content_sha256":"74a5c28742e80ee53e836b970d02bef3f2e34a67a5df8f5251b9d4e51dffb9c1","schema_version":"1.0","event_id":"sha256:74a5c28742e80ee53e836b970d02bef3f2e34a67a5df8f5251b9d4e51dffb9c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:LX7FBZ2ZYKT5A4MYVCZJP7ZLTB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DecAF: Joint Decoding of Answers and Logical Forms for Question Answering over Knowledge Bases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.LG"],"primary_cat":"cs.CL","authors_text":"Alexander Hanbo Li, Bing Xiang, Donghan Yu, Henghui Zhu, Jun Wang, Patrick Ng, Sheng Zhang, William Wang, Yiqun Hu, Zhiguo Wang","submitted_at":"2022-09-30T19:51:52Z","abstract_excerpt":"Question answering over knowledge bases (KBs) aims to answer natural language questions with factual information such as entities and relations in KBs. Previous methods either generate logical forms that can be executed over KBs to obtain final answers or predict answers directly. Empirical results show that the former often produces more accurate answers, but it suffers from non-execution issues due to potential syntactic and semantic errors in the generated logical forms. In this work, we propose a novel framework DecAF that jointly generates both logical forms and direct answers, and then c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.00063","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/2210.00063/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":"2026-07-05T06:01:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qRs+fGzlMs7tlDrpZ57kWuvvDB7J4bgK0myWXgNZaG9f4haC/wHSs7GERrdRXWsiK3Na9895pA1b9Iy8Bw7nAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T01:50:46.729634Z"},"content_sha256":"e232c95206ffd721af4e522fd07eff12b145dcfe1daf5d904012a14be0e5f946","schema_version":"1.0","event_id":"sha256:e232c95206ffd721af4e522fd07eff12b145dcfe1daf5d904012a14be0e5f946"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LX7FBZ2ZYKT5A4MYVCZJP7ZLTB/bundle.json","state_url":"https://pith.science/pith/LX7FBZ2ZYKT5A4MYVCZJP7ZLTB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LX7FBZ2ZYKT5A4MYVCZJP7ZLTB/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":"2026-07-26T01:50:46Z","links":{"resolver":"https://pith.science/pith/LX7FBZ2ZYKT5A4MYVCZJP7ZLTB","bundle":"https://pith.science/pith/LX7FBZ2ZYKT5A4MYVCZJP7ZLTB/bundle.json","state":"https://pith.science/pith/LX7FBZ2ZYKT5A4MYVCZJP7ZLTB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LX7FBZ2ZYKT5A4MYVCZJP7ZLTB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:LX7FBZ2ZYKT5A4MYVCZJP7ZLTB","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":"96186b6976f3397029625e1d61a48bf3b58f511a215436a2f137e5c664d51c5d","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2022-09-30T19:51:52Z","title_canon_sha256":"982d0e7ed27b80f261040acfb60589f26a93ec28f060b1e9af591788c5274e8f"},"schema_version":"1.0","source":{"id":"2210.00063","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.00063","created_at":"2026-07-05T06:01:13Z"},{"alias_kind":"arxiv_version","alias_value":"2210.00063v2","created_at":"2026-07-05T06:01:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.00063","created_at":"2026-07-05T06:01:13Z"},{"alias_kind":"pith_short_12","alias_value":"LX7FBZ2ZYKT5","created_at":"2026-07-05T06:01:13Z"},{"alias_kind":"pith_short_16","alias_value":"LX7FBZ2ZYKT5A4MY","created_at":"2026-07-05T06:01:13Z"},{"alias_kind":"pith_short_8","alias_value":"LX7FBZ2Z","created_at":"2026-07-05T06:01:13Z"}],"graph_snapshots":[{"event_id":"sha256:e232c95206ffd721af4e522fd07eff12b145dcfe1daf5d904012a14be0e5f946","target":"graph","created_at":"2026-07-05T06:01:13Z","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/2210.00063/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Question answering over knowledge bases (KBs) aims to answer natural language questions with factual information such as entities and relations in KBs. Previous methods either generate logical forms that can be executed over KBs to obtain final answers or predict answers directly. Empirical results show that the former often produces more accurate answers, but it suffers from non-execution issues due to potential syntactic and semantic errors in the generated logical forms. In this work, we propose a novel framework DecAF that jointly generates both logical forms and direct answers, and then c","authors_text":"Alexander Hanbo Li, Bing Xiang, Donghan Yu, Henghui Zhu, Jun Wang, Patrick Ng, Sheng Zhang, William Wang, Yiqun Hu, Zhiguo Wang","cross_cats":["cs.AI","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2022-09-30T19:51:52Z","title":"DecAF: Joint Decoding of Answers and Logical Forms for Question Answering over Knowledge Bases"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.00063","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":"sha256:74a5c28742e80ee53e836b970d02bef3f2e34a67a5df8f5251b9d4e51dffb9c1","target":"record","created_at":"2026-07-05T06:01:13Z","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":"96186b6976f3397029625e1d61a48bf3b58f511a215436a2f137e5c664d51c5d","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2022-09-30T19:51:52Z","title_canon_sha256":"982d0e7ed27b80f261040acfb60589f26a93ec28f060b1e9af591788c5274e8f"},"schema_version":"1.0","source":{"id":"2210.00063","kind":"arxiv","version":2}},"canonical_sha256":"5dfe50e759c2a7d07198a8b297ff2b9857bef772764e4823122433acd545d3ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5dfe50e759c2a7d07198a8b297ff2b9857bef772764e4823122433acd545d3ca","first_computed_at":"2026-07-05T06:01:13.900716Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:01:13.900716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jXGYrmE4i2jq/qEiEassktwDHPDei87trLbbdEHj9TgtNPtp0WC7U14M1lOBF2KuSO5I7PUthxf8pziOaGCACA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:01:13.901146Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.00063","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74a5c28742e80ee53e836b970d02bef3f2e34a67a5df8f5251b9d4e51dffb9c1","sha256:e232c95206ffd721af4e522fd07eff12b145dcfe1daf5d904012a14be0e5f946"],"state_sha256":"0bb8740baa83dd9cbeef1d345e4394d7cf3d193026f73f24d56932579b50781b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LfAN8C9Kp+F3aZw+XnDlQYRC4XMaQ9QA3AHxkoZfVwQ6lfF2x73nfFMbslG6GN51VUDPDIh5IIXr95LNJ378BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-26T01:50:46.731854Z","bundle_sha256":"8522ef169295d08602860287e2b5201c52041cf2d0450e333ee624da95a12ebd"}}