{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:7OVQLHQ7AQPIS5NCXHNSIWLXGG","short_pith_number":"pith:7OVQLHQ7","schema_version":"1.0","canonical_sha256":"fbab059e1f041e8975a2b9db245977318aef06dda9f7c20d9ef5ee59be784624","source":{"kind":"arxiv","id":"2605.17833","version":1},"attestation_state":"computed","paper":{"title":"Efficient Bilevel Optimization for Meta Label Correction in Noisy Label Learning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.LG","authors_text":"Ba Hoang Anh Nguyen, Viet Cuong Ta","submitted_at":"2026-05-18T04:12:14Z","abstract_excerpt":"Training a deep neural network with noisy labels could reduce data annotation cost but may introduce noise into the learned model. In meta label correction approaches, an additional meta model besides the main model is trained with a small, clean dataset to correct the large, noisy dataset. However, the update of the meta model requires the computation of hypergradients at the inner step of the main model which signif- icantly increases the computational cost. To improve the training efficiency, we first introduce the dynamic barrier gradient descent into standard meta label correction. While "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2605.17833","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-05-18T04:12:14Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"89914860336a3ce9d05a24c2ce68a80d9ab4e5b89c7ca7e630c6e94d61845688","abstract_canon_sha256":"4e4b7c5c6e8b54f3501e3cf151f9ac4b3139648bae0684004b1bdfc98949b537"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:05:00.736629Z","signature_b64":"by3KQMPo8MZvhv7o5HrrCE5ik5AWQpWdbB02Ep34gJLFvQsCpu1sDN5yYFnFFUF/bMHmfq9N7zWIA2cvXuivDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fbab059e1f041e8975a2b9db245977318aef06dda9f7c20d9ef5ee59be784624","last_reissued_at":"2026-05-20T00:05:00.735773Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:05:00.735773Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Efficient Bilevel Optimization for Meta Label Correction in Noisy Label Learning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.LG","authors_text":"Ba Hoang Anh Nguyen, Viet Cuong Ta","submitted_at":"2026-05-18T04:12:14Z","abstract_excerpt":"Training a deep neural network with noisy labels could reduce data annotation cost but may introduce noise into the learned model. In meta label correction approaches, an additional meta model besides the main model is trained with a small, clean dataset to correct the large, noisy dataset. However, the update of the meta model requires the computation of hypergradients at the inner step of the main model which signif- icantly increases the computational cost. To improve the training efficiency, we first introduce the dynamic barrier gradient descent into standard meta label correction. While "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.17833","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.17833/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2605.17833","created_at":"2026-05-20T00:05:00.735914+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.17833v1","created_at":"2026-05-20T00:05:00.735914+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.17833","created_at":"2026-05-20T00:05:00.735914+00:00"},{"alias_kind":"pith_short_12","alias_value":"7OVQLHQ7AQPI","created_at":"2026-05-20T00:05:00.735914+00:00"},{"alias_kind":"pith_short_16","alias_value":"7OVQLHQ7AQPIS5NC","created_at":"2026-05-20T00:05:00.735914+00:00"},{"alias_kind":"pith_short_8","alias_value":"7OVQLHQ7","created_at":"2026-05-20T00:05:00.735914+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7OVQLHQ7AQPIS5NCXHNSIWLXGG","json":"https://pith.science/pith/7OVQLHQ7AQPIS5NCXHNSIWLXGG.json","graph_json":"https://pith.science/api/pith-number/7OVQLHQ7AQPIS5NCXHNSIWLXGG/graph.json","events_json":"https://pith.science/api/pith-number/7OVQLHQ7AQPIS5NCXHNSIWLXGG/events.json","paper":"https://pith.science/paper/7OVQLHQ7"},"agent_actions":{"view_html":"https://pith.science/pith/7OVQLHQ7AQPIS5NCXHNSIWLXGG","download_json":"https://pith.science/pith/7OVQLHQ7AQPIS5NCXHNSIWLXGG.json","view_paper":"https://pith.science/paper/7OVQLHQ7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.17833&json=true","fetch_graph":"https://pith.science/api/pith-number/7OVQLHQ7AQPIS5NCXHNSIWLXGG/graph.json","fetch_events":"https://pith.science/api/pith-number/7OVQLHQ7AQPIS5NCXHNSIWLXGG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7OVQLHQ7AQPIS5NCXHNSIWLXGG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7OVQLHQ7AQPIS5NCXHNSIWLXGG/action/storage_attestation","attest_author":"https://pith.science/pith/7OVQLHQ7AQPIS5NCXHNSIWLXGG/action/author_attestation","sign_citation":"https://pith.science/pith/7OVQLHQ7AQPIS5NCXHNSIWLXGG/action/citation_signature","submit_replication":"https://pith.science/pith/7OVQLHQ7AQPIS5NCXHNSIWLXGG/action/replication_record"}},"created_at":"2026-05-20T00:05:00.735914+00:00","updated_at":"2026-05-20T00:05:00.735914+00:00"}