{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:L4UUJQ42Y5OV4JP6LKUKPDNSD2","short_pith_number":"pith:L4UUJQ42","canonical_record":{"source":{"id":"1605.05414","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2016-05-18T01:36:29Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"ed9410d2d5af7d008b60bfe983f0857675f859435482ba177b13580a985c029c","abstract_canon_sha256":"08767c9c1123ad5a29de7c0a2b3b3eec2fbd9984dead70f22874e32bc05e06f3"},"schema_version":"1.0"},"canonical_sha256":"5f2944c39ac75d5e25fe5aa8a78db21e9d75c6b7bdcf4d0d64c221730988eaa5","source":{"kind":"arxiv","id":"1605.05414","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.05414","created_at":"2026-05-18T01:10:37Z"},{"alias_kind":"arxiv_version","alias_value":"1605.05414v2","created_at":"2026-05-18T01:10:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.05414","created_at":"2026-05-18T01:10:37Z"},{"alias_kind":"pith_short_12","alias_value":"L4UUJQ42Y5OV","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"L4UUJQ42Y5OV4JP6","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"L4UUJQ42","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:L4UUJQ42Y5OV4JP6LKUKPDNSD2","target":"record","payload":{"canonical_record":{"source":{"id":"1605.05414","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2016-05-18T01:36:29Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"ed9410d2d5af7d008b60bfe983f0857675f859435482ba177b13580a985c029c","abstract_canon_sha256":"08767c9c1123ad5a29de7c0a2b3b3eec2fbd9984dead70f22874e32bc05e06f3"},"schema_version":"1.0"},"canonical_sha256":"5f2944c39ac75d5e25fe5aa8a78db21e9d75c6b7bdcf4d0d64c221730988eaa5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:37.549381Z","signature_b64":"cNryhxLSgTdhMEGUOSsbhpVmqQrrxx7YJM2I5MJWkP03qZce60edwrp28cJG1MbPvBBp/1vrdR1lDgveELJjCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f2944c39ac75d5e25fe5aa8a78db21e9d75c6b7bdcf4d0d64c221730988eaa5","last_reissued_at":"2026-05-18T01:10:37.548745Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:37.548745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.05414","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":"2026-05-18T01:10:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gPW81hB0LZkgbitowYLAZAUMqZ3PSG8MQ/tZ+KJmmDnV93MhLa62bm+yWhJp9enUFZrdR2IiwCL6taLrw20NBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:30:53.158675Z"},"content_sha256":"fb5017fbd2959ad4406855a31cf1b709ada77e5ff6568f2094aaa0e79527f06a","schema_version":"1.0","event_id":"sha256:fb5017fbd2959ad4406855a31cf1b709ada77e5ff6568f2094aaa0e79527f06a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:L4UUJQ42Y5OV4JP6LKUKPDNSD2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Evaluation of Dialogue Systems with Next Utterance Classification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.CL","authors_text":"Iulian V. Serban, Joelle Pineau, Laurent Charlin, Mike Noseworthy, Ryan Lowe","submitted_at":"2016-05-18T01:36:29Z","abstract_excerpt":"An open challenge in constructing dialogue systems is developing methods for automatically learning dialogue strategies from large amounts of unlabelled data. Recent work has proposed Next-Utterance-Classification (NUC) as a surrogate task for building dialogue systems from text data. In this paper we investigate the performance of humans on this task to validate the relevance of NUC as a method of evaluation. Our results show three main findings: (1) humans are able to correctly classify responses at a rate much better than chance, thus confirming that the task is feasible, (2) human performa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.05414","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":""},"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":"2026-05-18T01:10:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"coowquT9XwmQWkwF8YunYdrfTrRMqeCe17+rLoBwjT0vsDLfKp0VCBUw5DFPKuqM31QUiuIYPd7FH7nxF5uDAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:30:53.159468Z"},"content_sha256":"08fddc69097c389a831692bf4303af1a5caa09cfdfca64d8709d5c8115e66873","schema_version":"1.0","event_id":"sha256:08fddc69097c389a831692bf4303af1a5caa09cfdfca64d8709d5c8115e66873"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L4UUJQ42Y5OV4JP6LKUKPDNSD2/bundle.json","state_url":"https://pith.science/pith/L4UUJQ42Y5OV4JP6LKUKPDNSD2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L4UUJQ42Y5OV4JP6LKUKPDNSD2/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":"2026-05-30T12:30:53Z","links":{"resolver":"https://pith.science/pith/L4UUJQ42Y5OV4JP6LKUKPDNSD2","bundle":"https://pith.science/pith/L4UUJQ42Y5OV4JP6LKUKPDNSD2/bundle.json","state":"https://pith.science/pith/L4UUJQ42Y5OV4JP6LKUKPDNSD2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L4UUJQ42Y5OV4JP6LKUKPDNSD2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:L4UUJQ42Y5OV4JP6LKUKPDNSD2","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":"08767c9c1123ad5a29de7c0a2b3b3eec2fbd9984dead70f22874e32bc05e06f3","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2016-05-18T01:36:29Z","title_canon_sha256":"ed9410d2d5af7d008b60bfe983f0857675f859435482ba177b13580a985c029c"},"schema_version":"1.0","source":{"id":"1605.05414","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.05414","created_at":"2026-05-18T01:10:37Z"},{"alias_kind":"arxiv_version","alias_value":"1605.05414v2","created_at":"2026-05-18T01:10:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.05414","created_at":"2026-05-18T01:10:37Z"},{"alias_kind":"pith_short_12","alias_value":"L4UUJQ42Y5OV","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"L4UUJQ42Y5OV4JP6","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"L4UUJQ42","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:08fddc69097c389a831692bf4303af1a5caa09cfdfca64d8709d5c8115e66873","target":"graph","created_at":"2026-05-18T01:10:37Z","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":"An open challenge in constructing dialogue systems is developing methods for automatically learning dialogue strategies from large amounts of unlabelled data. Recent work has proposed Next-Utterance-Classification (NUC) as a surrogate task for building dialogue systems from text data. In this paper we investigate the performance of humans on this task to validate the relevance of NUC as a method of evaluation. Our results show three main findings: (1) humans are able to correctly classify responses at a rate much better than chance, thus confirming that the task is feasible, (2) human performa","authors_text":"Iulian V. Serban, Joelle Pineau, Laurent Charlin, Mike Noseworthy, Ryan Lowe","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2016-05-18T01:36:29Z","title":"On the Evaluation of Dialogue Systems with Next Utterance Classification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.05414","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:fb5017fbd2959ad4406855a31cf1b709ada77e5ff6568f2094aaa0e79527f06a","target":"record","created_at":"2026-05-18T01:10:37Z","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":"08767c9c1123ad5a29de7c0a2b3b3eec2fbd9984dead70f22874e32bc05e06f3","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2016-05-18T01:36:29Z","title_canon_sha256":"ed9410d2d5af7d008b60bfe983f0857675f859435482ba177b13580a985c029c"},"schema_version":"1.0","source":{"id":"1605.05414","kind":"arxiv","version":2}},"canonical_sha256":"5f2944c39ac75d5e25fe5aa8a78db21e9d75c6b7bdcf4d0d64c221730988eaa5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5f2944c39ac75d5e25fe5aa8a78db21e9d75c6b7bdcf4d0d64c221730988eaa5","first_computed_at":"2026-05-18T01:10:37.548745Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:37.548745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cNryhxLSgTdhMEGUOSsbhpVmqQrrxx7YJM2I5MJWkP03qZce60edwrp28cJG1MbPvBBp/1vrdR1lDgveELJjCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:37.549381Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.05414","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fb5017fbd2959ad4406855a31cf1b709ada77e5ff6568f2094aaa0e79527f06a","sha256:08fddc69097c389a831692bf4303af1a5caa09cfdfca64d8709d5c8115e66873"],"state_sha256":"b9c41cdc1971c5a16868c64cc258b9ecb56361dbbf9e3bba2d973788790e5b41"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JkbhIFaTowjFslzP6G36Hv/DABGesvRR4iH8YcbQJAKqIQlmNx5rRInD8Nfm3XpfNciFNFmfSmCqtoyGum/rBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:30:53.163375Z","bundle_sha256":"91919d697427381e36ca3812982378653649aa0d5dacd2cf2087d7cc4946e1a3"}}