{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QCG5QYTLPLGJUOM4FRXHINKLWR","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":"5edac86ecc99f7a2fd00febc2d0ee607261dbd08183c14691bfe405adae79b26","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-04-22T02:24:54Z","title_canon_sha256":"7d750c21986087c61f6bc6f60ce81a4e10e74bf03875da5daf7cc37b6048584f"},"schema_version":"1.0","source":{"id":"1804.08058","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.08058","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"arxiv_version","alias_value":"1804.08058v2","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.08058","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"pith_short_12","alias_value":"QCG5QYTLPLGJ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QCG5QYTLPLGJUOM4","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QCG5QYTL","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:df4bc1565579038cb3aaab5ad98b63e770ab64cd83509cdc478e87f31f7116c9","target":"graph","created_at":"2026-05-18T00:00:30Z","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":"Community-based question answering (CQA) websites represent an important source of information. As a result, the problem of matching the most valuable answers to their corresponding questions has become an increasingly popular research topic. We frame this task as a binary (relevant/irrelevant) classification problem, and present an adversarial training framework to alleviate label imbalance issue. We employ a generative model to iteratively sample a subset of challenging negative samples to fool our classification model. Both models are alternatively optimized using REINFORCE algorithm. The p","authors_text":"Ahmed Awadallah, C. Lee Giles, Daniel Kifer, Madian Khabsa, Miaosen Wang, Wei Wang, Xiao Yang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-04-22T02:24:54Z","title":"Adversarial Training for Community Question Answer Selection Based on Multi-scale Matching"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.08058","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:ef4f79a8d79f333cd3adc9d3f29dfde320be33e0a125936ab0cc5cb84b390365","target":"record","created_at":"2026-05-18T00:00:30Z","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":"5edac86ecc99f7a2fd00febc2d0ee607261dbd08183c14691bfe405adae79b26","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-04-22T02:24:54Z","title_canon_sha256":"7d750c21986087c61f6bc6f60ce81a4e10e74bf03875da5daf7cc37b6048584f"},"schema_version":"1.0","source":{"id":"1804.08058","kind":"arxiv","version":2}},"canonical_sha256":"808dd8626b7acc9a399c2c6e74354bb458d2574d54ecc721d12c64c38c8aa0e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"808dd8626b7acc9a399c2c6e74354bb458d2574d54ecc721d12c64c38c8aa0e6","first_computed_at":"2026-05-18T00:00:30.431647Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:30.431647Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ttTMIsbaF0GmJcA3kZQ8VdKimIxVNMDsDin3gbB8tj5m/sCV+SwSUoohxGz62vODitUOXVpzBKnyxGy5G7pTCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:30.432270Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.08058","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef4f79a8d79f333cd3adc9d3f29dfde320be33e0a125936ab0cc5cb84b390365","sha256:df4bc1565579038cb3aaab5ad98b63e770ab64cd83509cdc478e87f31f7116c9"],"state_sha256":"d2ff071a57b7838a9be5fa636e2ac37f1d99f7795400ad81e49301d9bcda805d"}