{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:MMZFBPH7QIE6WJHRUHLCQ74HHM","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":"78220c67549084e0b447a33e5df997df5cf23cbd9d2f35b4e065663302f8744d","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-08-25T17:12:01Z","title_canon_sha256":"9841023754d81dc38bc39a1dc21180218d4dfe0718df0e816fd0c9862c3b2857"},"schema_version":"1.0","source":{"id":"1908.09362","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.09362","created_at":"2026-07-04T23:59:39Z"},{"alias_kind":"arxiv_version","alias_value":"1908.09362v1","created_at":"2026-07-04T23:59:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.09362","created_at":"2026-07-04T23:59:39Z"},{"alias_kind":"pith_short_12","alias_value":"MMZFBPH7QIE6","created_at":"2026-07-04T23:59:39Z"},{"alias_kind":"pith_short_16","alias_value":"MMZFBPH7QIE6WJHR","created_at":"2026-07-04T23:59:39Z"},{"alias_kind":"pith_short_8","alias_value":"MMZFBPH7","created_at":"2026-07-04T23:59:39Z"}],"graph_snapshots":[{"event_id":"sha256:1b169920b941acb29c77663a9b3c410dee937713fb99b073e51deffcbc3c5e74","target":"graph","created_at":"2026-07-04T23:59:39Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1908.09362/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multiclass decomposition splits a multiclass classification problem into a series of independent binary learners and recomposes them by combining their outputs to reconstruct the multiclass classification results. Three widely-used realizations of such decomposition methods are One-Versus-All (OVA), One-Versus-One (OVO), and Error-Correcting-Output-Code (ECOC). While OVA and OVO are quite simple, both of them assume all classes are orthogonal which neglect the latent correlation between classes in real-world. Error-Correcting-Output-Code (ECOC) based decomposition methods, on the other hand, a","authors_text":"Guolin Ke, Jiang Bian, Tieyan Liu, Ziyu Liu","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-08-25T17:12:01Z","title":"LightMC: A Dynamic and Efficient Multiclass Decomposition Algorithm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.09362","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":"sha256:378e3ef4b907229e06b2db144d9ba4afd800a1e0425e3ed7a1d40421437944f2","target":"record","created_at":"2026-07-04T23:59:39Z","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":"78220c67549084e0b447a33e5df997df5cf23cbd9d2f35b4e065663302f8744d","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-08-25T17:12:01Z","title_canon_sha256":"9841023754d81dc38bc39a1dc21180218d4dfe0718df0e816fd0c9862c3b2857"},"schema_version":"1.0","source":{"id":"1908.09362","kind":"arxiv","version":1}},"canonical_sha256":"633250bcff8209eb24f1a1d6287f873b1661661b135fd89554cd2bb91ec66584","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"633250bcff8209eb24f1a1d6287f873b1661661b135fd89554cd2bb91ec66584","first_computed_at":"2026-07-04T23:59:39.455972Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:59:39.455972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3M4e4yAK/OF3et1xIe6wNRIw07WBCe6KNd3tyVW6lECzwxSDZuAb1muv8b0+sCgJAjY4uXVd+1A8CDcJuwEKDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:59:39.456372Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.09362","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:378e3ef4b907229e06b2db144d9ba4afd800a1e0425e3ed7a1d40421437944f2","sha256:1b169920b941acb29c77663a9b3c410dee937713fb99b073e51deffcbc3c5e74"],"state_sha256":"fcf2a270a7a68f3e4e641250e396813308c56d07652da4a6d4aabbac933b8770"}