{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:OHZTI3VLCN7YVRYLM2UDWWVG75","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":"d9ee7516719d41c0b13df4edb2dba134c379359e003bdf4161ba12e500616bff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-09-21T18:42:24Z","title_canon_sha256":"0d8888759e6e8d09b38c7a67b6e536d78f01173cd546aea2b0a94035addbfe41"},"schema_version":"1.0","source":{"id":"1809.08267","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.08267","created_at":"2026-07-05T00:03:12Z"},{"alias_kind":"arxiv_version","alias_value":"1809.08267v3","created_at":"2026-07-05T00:03:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.08267","created_at":"2026-07-05T00:03:12Z"},{"alias_kind":"pith_short_12","alias_value":"OHZTI3VLCN7Y","created_at":"2026-07-05T00:03:12Z"},{"alias_kind":"pith_short_16","alias_value":"OHZTI3VLCN7YVRYL","created_at":"2026-07-05T00:03:12Z"},{"alias_kind":"pith_short_8","alias_value":"OHZTI3VL","created_at":"2026-07-05T00:03:12Z"}],"graph_snapshots":[{"event_id":"sha256:cd6cbc1758005764abb0a61926235cd1d234399751e422d39086eb7845ccdcfb","target":"graph","created_at":"2026-07-05T00:03:12Z","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/1809.08267/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The present paper surveys neural approaches to conversational AI that have been developed in the last few years. We group conversational systems into three categories: (1) question answering agents, (2) task-oriented dialogue agents, and (3) chatbots. For each category, we present a review of state-of-the-art neural approaches, draw the connection between them and traditional approaches, and discuss the progress that has been made and challenges still being faced, using specific systems and models as case studies.","authors_text":"Jianfeng Gao, Lihong Li, Michel Galley","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-09-21T18:42:24Z","title":"Neural Approaches to Conversational AI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.08267","kind":"arxiv","version":3},"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:e67e3e89b066eaa6ddfaa35ac5e7ad11562af76f26ad863ccf112e7e24de6c8f","target":"record","created_at":"2026-07-05T00:03:12Z","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":"d9ee7516719d41c0b13df4edb2dba134c379359e003bdf4161ba12e500616bff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-09-21T18:42:24Z","title_canon_sha256":"0d8888759e6e8d09b38c7a67b6e536d78f01173cd546aea2b0a94035addbfe41"},"schema_version":"1.0","source":{"id":"1809.08267","kind":"arxiv","version":3}},"canonical_sha256":"71f3346eab137f8ac70b66a83b5aa6ff4532fcea6cb1eb3f96ff2278e99d940a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"71f3346eab137f8ac70b66a83b5aa6ff4532fcea6cb1eb3f96ff2278e99d940a","first_computed_at":"2026-07-05T00:03:12.676606Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:03:12.676606Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JFF0xgfLgWHTxhln9tvBv83lB++2SmTzdKrOZvQXCFJ4oJdtnEBpgD20aM4s7YCNGWdaWpA0zkkWVlD8VQzqDA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:03:12.677063Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.08267","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e67e3e89b066eaa6ddfaa35ac5e7ad11562af76f26ad863ccf112e7e24de6c8f","sha256:cd6cbc1758005764abb0a61926235cd1d234399751e422d39086eb7845ccdcfb"],"state_sha256":"ac1218a396dd1c0d09166ddd38f99549352af430e5b876552e41079a296f0947"}