{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:PMKDAYN3HJ6BXTO42NU7TDVZFI","short_pith_number":"pith:PMKDAYN3","canonical_record":{"source":{"id":"2202.10610","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2022-02-22T01:34:35Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"cd61a123166c166bb9cc4a95b161362b0b66f7dbc1dba28eced3f19910436595","abstract_canon_sha256":"0815a9af00d31b42ed5f368ecbf93ca4a512f8b39d8ebf79bf1f9972e967d668"},"schema_version":"1.0"},"canonical_sha256":"7b143061bb3a7c1bcddcd369f98eb92a370b68f9505d15bd9e8cb5ca901eb384","source":{"kind":"arxiv","id":"2202.10610","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.10610","created_at":"2026-07-05T04:32:56Z"},{"alias_kind":"arxiv_version","alias_value":"2202.10610v2","created_at":"2026-07-05T04:32:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.10610","created_at":"2026-07-05T04:32:56Z"},{"alias_kind":"pith_short_12","alias_value":"PMKDAYN3HJ6B","created_at":"2026-07-05T04:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"PMKDAYN3HJ6BXTO4","created_at":"2026-07-05T04:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"PMKDAYN3","created_at":"2026-07-05T04:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:PMKDAYN3HJ6BXTO42NU7TDVZFI","target":"record","payload":{"canonical_record":{"source":{"id":"2202.10610","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2022-02-22T01:34:35Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"cd61a123166c166bb9cc4a95b161362b0b66f7dbc1dba28eced3f19910436595","abstract_canon_sha256":"0815a9af00d31b42ed5f368ecbf93ca4a512f8b39d8ebf79bf1f9972e967d668"},"schema_version":"1.0"},"canonical_sha256":"7b143061bb3a7c1bcddcd369f98eb92a370b68f9505d15bd9e8cb5ca901eb384","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:32:56.712178Z","signature_b64":"Sfsb+8g9dkte8HqdSp357U+tOcO/vlvz+AzyB25wMIBEVkofNi2Px14FE2Fn5Hm28SbA/GMsdqQqOS3He7KaBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b143061bb3a7c1bcddcd369f98eb92a370b68f9505d15bd9e8cb5ca901eb384","last_reissued_at":"2026-07-05T04:32:56.711695Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:32:56.711695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.10610","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":"2026-07-05T04:32:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"07ebwTMmHvW+kOgPWYH1xOKbf+5CRGp8efeF3oy8/VagEimeiTu/3BWMfp7OtBt3it07+NGd7M9vbU+FPA24DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:51:45.568631Z"},"content_sha256":"3f62d54d21020d470e3732ddeb78cc861d25962a610d648701b822e33c769ef6","schema_version":"1.0","event_id":"sha256:3f62d54d21020d470e3732ddeb78cc861d25962a610d648701b822e33c769ef6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:PMKDAYN3HJ6BXTO42NU7TDVZFI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Knowledge Base Question Answering by Case-based Reasoning over Subgraphs","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.AI","cs.LG"],"primary_cat":"cs.CL","authors_text":"Ameya Godbole, Andrew McCallum, Ankita Naik, Elliot Tower, Hannaneh Hajishirzi, Manzil Zaheer, Rajarshi Das, Robin Jia","submitted_at":"2022-02-22T01:34:35Z","abstract_excerpt":"Question answering (QA) over knowledge bases (KBs) is challenging because of the diverse, essentially unbounded, types of reasoning patterns needed. However, we hypothesize in a large KB, reasoning patterns required to answer a query type reoccur for various entities in their respective subgraph neighborhoods. Leveraging this structural similarity between local neighborhoods of different subgraphs, we introduce a semiparametric model (CBR-SUBG) with (i) a nonparametric component that for each query, dynamically retrieves other similar $k$-nearest neighbor (KNN) training queries along with quer"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.10610","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/2202.10610/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":"2026-07-05T04:32:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2hjaSv1zB4efi85YcqlOKABQ1X8kxE5gd4PjkwQJuj827L1de7FCGFTterkcH0CVsfCVnJhdpQQKMZQrGCxUDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:51:45.569216Z"},"content_sha256":"cc4045a4f3c95ca5cb1348f99aee5423227fbc1b5b56789acc0388df1af99179","schema_version":"1.0","event_id":"sha256:cc4045a4f3c95ca5cb1348f99aee5423227fbc1b5b56789acc0388df1af99179"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PMKDAYN3HJ6BXTO42NU7TDVZFI/bundle.json","state_url":"https://pith.science/pith/PMKDAYN3HJ6BXTO42NU7TDVZFI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PMKDAYN3HJ6BXTO42NU7TDVZFI/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":"2026-08-04T21:51:45Z","links":{"resolver":"https://pith.science/pith/PMKDAYN3HJ6BXTO42NU7TDVZFI","bundle":"https://pith.science/pith/PMKDAYN3HJ6BXTO42NU7TDVZFI/bundle.json","state":"https://pith.science/pith/PMKDAYN3HJ6BXTO42NU7TDVZFI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PMKDAYN3HJ6BXTO42NU7TDVZFI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:PMKDAYN3HJ6BXTO42NU7TDVZFI","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":"0815a9af00d31b42ed5f368ecbf93ca4a512f8b39d8ebf79bf1f9972e967d668","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2022-02-22T01:34:35Z","title_canon_sha256":"cd61a123166c166bb9cc4a95b161362b0b66f7dbc1dba28eced3f19910436595"},"schema_version":"1.0","source":{"id":"2202.10610","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.10610","created_at":"2026-07-05T04:32:56Z"},{"alias_kind":"arxiv_version","alias_value":"2202.10610v2","created_at":"2026-07-05T04:32:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.10610","created_at":"2026-07-05T04:32:56Z"},{"alias_kind":"pith_short_12","alias_value":"PMKDAYN3HJ6B","created_at":"2026-07-05T04:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"PMKDAYN3HJ6BXTO4","created_at":"2026-07-05T04:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"PMKDAYN3","created_at":"2026-07-05T04:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:cc4045a4f3c95ca5cb1348f99aee5423227fbc1b5b56789acc0388df1af99179","target":"graph","created_at":"2026-07-05T04:32:56Z","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/2202.10610/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Question answering (QA) over knowledge bases (KBs) is challenging because of the diverse, essentially unbounded, types of reasoning patterns needed. However, we hypothesize in a large KB, reasoning patterns required to answer a query type reoccur for various entities in their respective subgraph neighborhoods. Leveraging this structural similarity between local neighborhoods of different subgraphs, we introduce a semiparametric model (CBR-SUBG) with (i) a nonparametric component that for each query, dynamically retrieves other similar $k$-nearest neighbor (KNN) training queries along with quer","authors_text":"Ameya Godbole, Andrew McCallum, Ankita Naik, Elliot Tower, Hannaneh Hajishirzi, Manzil Zaheer, Rajarshi Das, Robin Jia","cross_cats":["cs.AI","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2022-02-22T01:34:35Z","title":"Knowledge Base Question Answering by Case-based Reasoning over Subgraphs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.10610","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":"sha256:3f62d54d21020d470e3732ddeb78cc861d25962a610d648701b822e33c769ef6","target":"record","created_at":"2026-07-05T04:32:56Z","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":"0815a9af00d31b42ed5f368ecbf93ca4a512f8b39d8ebf79bf1f9972e967d668","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2022-02-22T01:34:35Z","title_canon_sha256":"cd61a123166c166bb9cc4a95b161362b0b66f7dbc1dba28eced3f19910436595"},"schema_version":"1.0","source":{"id":"2202.10610","kind":"arxiv","version":2}},"canonical_sha256":"7b143061bb3a7c1bcddcd369f98eb92a370b68f9505d15bd9e8cb5ca901eb384","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b143061bb3a7c1bcddcd369f98eb92a370b68f9505d15bd9e8cb5ca901eb384","first_computed_at":"2026-07-05T04:32:56.711695Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:32:56.711695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sfsb+8g9dkte8HqdSp357U+tOcO/vlvz+AzyB25wMIBEVkofNi2Px14FE2Fn5Hm28SbA/GMsdqQqOS3He7KaBw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:32:56.712178Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.10610","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f62d54d21020d470e3732ddeb78cc861d25962a610d648701b822e33c769ef6","sha256:cc4045a4f3c95ca5cb1348f99aee5423227fbc1b5b56789acc0388df1af99179"],"state_sha256":"0b8fecdbe688fb83656a94c109affcb82e55ab6b92dd925b368cc177c507e26e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cc+TOEMdFKY2EdvG+hnnk9UPDWP02MSG2Z/L1+KFO3IJ4LG8sXcADhqY+pkmf2UFT40/TviTAoQ6eB/HljyVAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T21:51:45.576213Z","bundle_sha256":"b9fc6fa334535bdecf8253b991a38f96169fd27b8ed5bbd7a8e139cd194113d7"}}