{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:WQYU4QCGHETCX4ZRXJWIHFRQIY","short_pith_number":"pith:WQYU4QCG","canonical_record":{"source":{"id":"1504.07182","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-04-27T17:55:53Z","cross_cats_sorted":[],"title_canon_sha256":"d34fa8435a7cf4de505a0b4785cd1a0646b70ddf61240f2af55822c4b129fa7c","abstract_canon_sha256":"d34c0ec885520c1a936f88843213b4fc359145c07286ae184fddb167000f3489"},"schema_version":"1.0"},"canonical_sha256":"b4314e404639262bf331ba6c8396304626048bd67fc79acb34e55b1cc60cca1f","source":{"kind":"arxiv","id":"1504.07182","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07182","created_at":"2026-05-18T02:17:43Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07182v1","created_at":"2026-05-18T02:17:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07182","created_at":"2026-05-18T02:17:43Z"},{"alias_kind":"pith_short_12","alias_value":"WQYU4QCGHETC","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WQYU4QCGHETCX4ZR","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WQYU4QCG","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:WQYU4QCGHETCX4ZRXJWIHFRQIY","target":"record","payload":{"canonical_record":{"source":{"id":"1504.07182","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-04-27T17:55:53Z","cross_cats_sorted":[],"title_canon_sha256":"d34fa8435a7cf4de505a0b4785cd1a0646b70ddf61240f2af55822c4b129fa7c","abstract_canon_sha256":"d34c0ec885520c1a936f88843213b4fc359145c07286ae184fddb167000f3489"},"schema_version":"1.0"},"canonical_sha256":"b4314e404639262bf331ba6c8396304626048bd67fc79acb34e55b1cc60cca1f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:17:43.546608Z","signature_b64":"6fL8cI9CDSuaxDTERk6s5/pFuaLAkGmykmQfinZAXAV1rG1e5ujqnfTxs4LXs7Rj8PERyuqLNvEjhgV78QtFAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b4314e404639262bf331ba6c8396304626048bd67fc79acb34e55b1cc60cca1f","last_reissued_at":"2026-05-18T02:17:43.546193Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:17:43.546193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.07182","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:17:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fY3lKTZTdTL+O5X92tGvEkEpKeRem970660ejsYgB9KwErOAciznQCIYaGH0MZkoyjrv1U+UBMZV0eW9LklLAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:02:14.558754Z"},"content_sha256":"69213c01941f19e2a7b366463cdfd08aeded099d0c2688f79f376ae333ce9596","schema_version":"1.0","event_id":"sha256:69213c01941f19e2a7b366463cdfd08aeded099d0c2688f79f376ae333ce9596"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:WQYU4QCGHETCX4ZRXJWIHFRQIY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Probabilistic Framework for Representing Dialog Systems and Entropy-Based Dialog Management through Dynamic Stochastic State Evolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Chin-Hui Lee, Ji Wu, Miao Li","submitted_at":"2015-04-27T17:55:53Z","abstract_excerpt":"In this paper, we present a probabilistic framework for goal-driven spoken dialog systems. A new dynamic stochastic state (DS-state) is then defined to characterize the goal set of a dialog state at different stages of the dialog process. Furthermore, an entropy minimization dialog management(EMDM) strategy is also proposed to combine with the DS-states to facilitate a robust and efficient solution in reaching a user's goals. A Song-On-Demand task, with a total of 38117 songs and 12 attributes corresponding to each song, is used to test the performance of the proposed approach. In an ideal sim"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07182","kind":"arxiv","version":1},"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":"2026-05-18T02:17:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vqQIefJxN08BRGF+qij6AiVo1fJ1Zj/jN9SXFYXczwVlcUOqw7LjzbC+IfVDeXZS+ALvRAjup/fAfieOoUBGAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:02:14.559102Z"},"content_sha256":"e608b6257f6c6a150aed39cb15e103ae8e3dcd73f2563023ec238d8db20527a2","schema_version":"1.0","event_id":"sha256:e608b6257f6c6a150aed39cb15e103ae8e3dcd73f2563023ec238d8db20527a2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WQYU4QCGHETCX4ZRXJWIHFRQIY/bundle.json","state_url":"https://pith.science/pith/WQYU4QCGHETCX4ZRXJWIHFRQIY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WQYU4QCGHETCX4ZRXJWIHFRQIY/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":"2026-06-01T13:02:14Z","links":{"resolver":"https://pith.science/pith/WQYU4QCGHETCX4ZRXJWIHFRQIY","bundle":"https://pith.science/pith/WQYU4QCGHETCX4ZRXJWIHFRQIY/bundle.json","state":"https://pith.science/pith/WQYU4QCGHETCX4ZRXJWIHFRQIY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WQYU4QCGHETCX4ZRXJWIHFRQIY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:WQYU4QCGHETCX4ZRXJWIHFRQIY","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":"d34c0ec885520c1a936f88843213b4fc359145c07286ae184fddb167000f3489","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-04-27T17:55:53Z","title_canon_sha256":"d34fa8435a7cf4de505a0b4785cd1a0646b70ddf61240f2af55822c4b129fa7c"},"schema_version":"1.0","source":{"id":"1504.07182","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07182","created_at":"2026-05-18T02:17:43Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07182v1","created_at":"2026-05-18T02:17:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07182","created_at":"2026-05-18T02:17:43Z"},{"alias_kind":"pith_short_12","alias_value":"WQYU4QCGHETC","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WQYU4QCGHETCX4ZR","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WQYU4QCG","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:e608b6257f6c6a150aed39cb15e103ae8e3dcd73f2563023ec238d8db20527a2","target":"graph","created_at":"2026-05-18T02:17:43Z","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":"In this paper, we present a probabilistic framework for goal-driven spoken dialog systems. A new dynamic stochastic state (DS-state) is then defined to characterize the goal set of a dialog state at different stages of the dialog process. Furthermore, an entropy minimization dialog management(EMDM) strategy is also proposed to combine with the DS-states to facilitate a robust and efficient solution in reaching a user's goals. A Song-On-Demand task, with a total of 38117 songs and 12 attributes corresponding to each song, is used to test the performance of the proposed approach. In an ideal sim","authors_text":"Chin-Hui Lee, Ji Wu, Miao Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-04-27T17:55:53Z","title":"A Probabilistic Framework for Representing Dialog Systems and Entropy-Based Dialog Management through Dynamic Stochastic State Evolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07182","kind":"arxiv","version":1},"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":"sha256:69213c01941f19e2a7b366463cdfd08aeded099d0c2688f79f376ae333ce9596","target":"record","created_at":"2026-05-18T02:17:43Z","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":"d34c0ec885520c1a936f88843213b4fc359145c07286ae184fddb167000f3489","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-04-27T17:55:53Z","title_canon_sha256":"d34fa8435a7cf4de505a0b4785cd1a0646b70ddf61240f2af55822c4b129fa7c"},"schema_version":"1.0","source":{"id":"1504.07182","kind":"arxiv","version":1}},"canonical_sha256":"b4314e404639262bf331ba6c8396304626048bd67fc79acb34e55b1cc60cca1f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b4314e404639262bf331ba6c8396304626048bd67fc79acb34e55b1cc60cca1f","first_computed_at":"2026-05-18T02:17:43.546193Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:17:43.546193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6fL8cI9CDSuaxDTERk6s5/pFuaLAkGmykmQfinZAXAV1rG1e5ujqnfTxs4LXs7Rj8PERyuqLNvEjhgV78QtFAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:17:43.546608Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.07182","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:69213c01941f19e2a7b366463cdfd08aeded099d0c2688f79f376ae333ce9596","sha256:e608b6257f6c6a150aed39cb15e103ae8e3dcd73f2563023ec238d8db20527a2"],"state_sha256":"b101093187fd1bfc6687b5b2304b80a10c1e095f47b69bc270f339900d00dc74"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uQKtbc2N/MeJ1GMm8SoRJRLFK1DE4uxNBaT+dA7pwNAV05D6w5Bddyt4nPEuoeJXyTaSJNTzEETxI+trQd/CAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T13:02:14.561291Z","bundle_sha256":"66cd536ff1eede519bd8eb30e4b7b65693d908e40c254a42b3bb713918920210"}}