{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HEF47AQBN3YLJKGNHYRG3D2VQY","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":"7ca962a558dd421d45e8e2da53f10434242222c15ae732e74ae8c7858773e8fa","cross_cats_sorted":["cs.IR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2012-04-01T07:07:27Z","title_canon_sha256":"21856f4c7fd9c218d58250eaf2891af0c706c6b0513839353adb02089c65f416"},"schema_version":"1.0","source":{"id":"1204.0170","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.0170","created_at":"2026-05-18T02:54:39Z"},{"alias_kind":"arxiv_version","alias_value":"1204.0170v2","created_at":"2026-05-18T02:54:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.0170","created_at":"2026-05-18T02:54:39Z"},{"alias_kind":"pith_short_12","alias_value":"HEF47AQBN3YL","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HEF47AQBN3YLJKGN","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HEF47AQB","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:54f725eda012553dd21864f119333509bf432d344fad7ddbedb1732a43c2221b","target":"graph","created_at":"2026-05-18T02:54:39Z","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":"Latent Dirichlet allocation (LDA) is a widely-used probabilistic topic modeling paradigm, and recently finds many applications in computer vision and computational biology. In this paper, we propose a fast and accurate batch algorithm, active belief propagation (ABP), for training LDA. Usually batch LDA algorithms require repeated scanning of the entire corpus and searching the complete topic space. To process massive corpora having a large number of topics, the training iteration of batch LDA algorithms is often inefficient and time-consuming. To accelerate the training speed, ABP actively sc","authors_text":"Jia Zeng, Xiao-Qin Cao, Zhi-Qiang Liu","cross_cats":["cs.IR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2012-04-01T07:07:27Z","title":"A New Approach to Speeding Up Topic Modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.0170","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:c3f51a883e12c40abd4704e6a7677810b0bb109f10a49981badb19b03ae4c9be","target":"record","created_at":"2026-05-18T02:54:39Z","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":"7ca962a558dd421d45e8e2da53f10434242222c15ae732e74ae8c7858773e8fa","cross_cats_sorted":["cs.IR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2012-04-01T07:07:27Z","title_canon_sha256":"21856f4c7fd9c218d58250eaf2891af0c706c6b0513839353adb02089c65f416"},"schema_version":"1.0","source":{"id":"1204.0170","kind":"arxiv","version":2}},"canonical_sha256":"390bcf82016ef0b4a8cd3e226d8f55863d83d7a15c82ce099e86dce1cfde2730","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"390bcf82016ef0b4a8cd3e226d8f55863d83d7a15c82ce099e86dce1cfde2730","first_computed_at":"2026-05-18T02:54:39.782303Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:54:39.782303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kKftwL7UijeEFPBGMw0XeeMu9tFH1CTo3pxxoFIsrWYwUHucu6x7jUhf+NM9WhpD7CAvVt2Z0xKBsXE46PbnBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:54:39.782801Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.0170","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c3f51a883e12c40abd4704e6a7677810b0bb109f10a49981badb19b03ae4c9be","sha256:54f725eda012553dd21864f119333509bf432d344fad7ddbedb1732a43c2221b"],"state_sha256":"5b4f3e9cebf1296cd0d2adebfe94ae65f7fabf242d59faf1e441fe833316d5f5"}