{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:OLZJKE56TRDK2EO6CLEYUMJHUN","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":"7b454c23e5d767795e43ad856d56512d5f037f740edb9d1e7f550a5e5f265aff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2011-08-23T11:52:35Z","title_canon_sha256":"68b8494033c29d40ca9d919707918fa4821a2b2bed5c8dc3598de25e9e8dea0f"},"schema_version":"1.0","source":{"id":"1108.4559","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.4559","created_at":"2026-05-18T02:21:37Z"},{"alias_kind":"arxiv_version","alias_value":"1108.4559v2","created_at":"2026-05-18T02:21:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.4559","created_at":"2026-05-18T02:21:37Z"},{"alias_kind":"pith_short_12","alias_value":"OLZJKE56TRDK","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"OLZJKE56TRDK2EO6","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"OLZJKE56","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:7bf7e5ddb0bcb5d3d0a1c65bf23b1bdaab7d42aa23ed38f080a11fa63fb74db2","target":"graph","created_at":"2026-05-18T02:21:37Z","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 consider the most common variants of linear regression, including Ridge, Lasso and Support-vector regression, in a setting where the learner is allowed to observe only a fixed number of attributes of each example at training time. We present simple and efficient algorithms for these problems: for Lasso and Ridge regression they need the same total number of attributes (up to constants) as do full-information algorithms, for reaching a certain accuracy. For Support-vector regression, we require exponentially less attributes compared to the state of the art. By that, we resolve an open proble","authors_text":"Elad Hazan, Tomer Koren","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2011-08-23T11:52:35Z","title":"Optimal Algorithms for Ridge and Lasso Regression with Partially Observed Attributes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.4559","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:d297fad91625a9c3e4548bd698ee159b1f7f5f5c0f0aad1960cb52af28bce94b","target":"record","created_at":"2026-05-18T02:21:37Z","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":"7b454c23e5d767795e43ad856d56512d5f037f740edb9d1e7f550a5e5f265aff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2011-08-23T11:52:35Z","title_canon_sha256":"68b8494033c29d40ca9d919707918fa4821a2b2bed5c8dc3598de25e9e8dea0f"},"schema_version":"1.0","source":{"id":"1108.4559","kind":"arxiv","version":2}},"canonical_sha256":"72f29513be9c46ad11de12c98a3127a37c5306b07b3d73adac04afa9291a8d4f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"72f29513be9c46ad11de12c98a3127a37c5306b07b3d73adac04afa9291a8d4f","first_computed_at":"2026-05-18T02:21:37.105721Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:21:37.105721Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+80mKPGUFhjOx01/wFktAatukaxmBgWSn6noLqf9NHd1YStY4jkR5OMSu03z05dsnJtm4YhRJuq/uZbKIXHoBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:21:37.106128Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.4559","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d297fad91625a9c3e4548bd698ee159b1f7f5f5c0f0aad1960cb52af28bce94b","sha256:7bf7e5ddb0bcb5d3d0a1c65bf23b1bdaab7d42aa23ed38f080a11fa63fb74db2"],"state_sha256":"dd291a8ab0c5efa8d7ee3403c70a13794fafb412a07e531a03220c83304bbf29"}