{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:5AG4QCPYE5TMHCRSZT3P2XMASI","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":"4c58a643e7fd32fff2b902f4fd0af03ecd4aa1dada27ac49e29f970d96a171f7","cross_cats_sorted":["stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2012-12-18T13:35:38Z","title_canon_sha256":"d267de69c063afb0c270427e93ce7a459ea8c6c3dec215c2c7300f63cd0036ee"},"schema_version":"1.0","source":{"id":"1212.4347","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4347","created_at":"2026-05-18T03:38:13Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4347v1","created_at":"2026-05-18T03:38:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4347","created_at":"2026-05-18T03:38:13Z"},{"alias_kind":"pith_short_12","alias_value":"5AG4QCPYE5TM","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"5AG4QCPYE5TMHCRS","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"5AG4QCPY","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:fda1076c214e35823a517fda1b01f9b1ff34a196d841413bdc56eace030c9d66","target":"graph","created_at":"2026-05-18T03:38:13Z","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":"We propose a generative model of a group EEG analysis, based on appropriate kernel assumptions on EEG data. We derive the variational inference update rule using various approximation techniques. The proposed model outperforms the current state-of-the-art algorithms in terms of common pattern extraction. The validity of the proposed model is tested on the BCI competition dataset.","authors_text":"Alice Oh, Bonggun Shin","cross_cats":["stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2012-12-18T13:35:38Z","title":"Bayesian Group Nonnegative Matrix Factorization for EEG Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4347","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:c9d9e3b2cab294614da63890c045b307223f0f09e6d2e0875365648d7f63121a","target":"record","created_at":"2026-05-18T03:38:13Z","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":"4c58a643e7fd32fff2b902f4fd0af03ecd4aa1dada27ac49e29f970d96a171f7","cross_cats_sorted":["stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2012-12-18T13:35:38Z","title_canon_sha256":"d267de69c063afb0c270427e93ce7a459ea8c6c3dec215c2c7300f63cd0036ee"},"schema_version":"1.0","source":{"id":"1212.4347","kind":"arxiv","version":1}},"canonical_sha256":"e80dc809f82766c38a32ccf6fd5d80920414978ff736cc70762820430da73d86","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e80dc809f82766c38a32ccf6fd5d80920414978ff736cc70762820430da73d86","first_computed_at":"2026-05-18T03:38:13.257998Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:38:13.257998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xYquV4fu5/GsSHODTZRSuDRmNPkLZH+ZZ++SkzJT804XVuM1HtTB6OUxmtUO6Wu9vuIdELenT5YBnx0RECo3Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T03:38:13.258394Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.4347","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c9d9e3b2cab294614da63890c045b307223f0f09e6d2e0875365648d7f63121a","sha256:fda1076c214e35823a517fda1b01f9b1ff34a196d841413bdc56eace030c9d66"],"state_sha256":"8f2af98fbcdc508a92beec31eccf597ee213feff6771f3272d54e62782b48e4f"}