{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:DZAWEQDWVJAEMI44YZEB3UO2EZ","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":"270bbfe5966c50417b01e48e4e8c10c8da9808dc86c86f110a49594def915d6b","cross_cats_sorted":["cs.LG","math.OC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2015-09-17T03:37:38Z","title_canon_sha256":"0dd262505ea595ecefb8db61f2fc004f9a40fb3c1f1eec71126af385e6a4f82f"},"schema_version":"1.0","source":{"id":"1509.05113","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.05113","created_at":"2026-05-18T01:12:43Z"},{"alias_kind":"arxiv_version","alias_value":"1509.05113v2","created_at":"2026-05-18T01:12:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.05113","created_at":"2026-05-18T01:12:43Z"},{"alias_kind":"pith_short_12","alias_value":"DZAWEQDWVJAE","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DZAWEQDWVJAEMI44","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DZAWEQDW","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:ddf79131767f9d74bd9246fbe12e2319d72a5f01a022364ebecc20b374278088","target":"graph","created_at":"2026-05-18T01:12:43Z","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 problem of learning the preferences of a heterogeneous population by observing choices from an assortment of products, ads, or other offerings. Our observation model takes a form common in assortment planning applications: each arriving customer is offered an assortment consisting of a subset of all possible offerings; we observe only the assortment and the customer's single choice.\n  In this paper we propose a mixture choice model with a natural underlying low-dimensional structure, and show how to estimate its parameters. In our model, the preferences of each customer or segm","authors_text":"Madeleine Udell, Nathan Kallus","cross_cats":["cs.LG","math.OC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2015-09-17T03:37:38Z","title":"Revealed Preference at Scale: Learning Personalized Preferences from Assortment Choices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.05113","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":"sha256:1e9c612f9016d4771a187daf017d0a18410938fc07dcf665488a3a34ef0fdc79","target":"record","created_at":"2026-05-18T01:12:43Z","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":"270bbfe5966c50417b01e48e4e8c10c8da9808dc86c86f110a49594def915d6b","cross_cats_sorted":["cs.LG","math.OC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2015-09-17T03:37:38Z","title_canon_sha256":"0dd262505ea595ecefb8db61f2fc004f9a40fb3c1f1eec71126af385e6a4f82f"},"schema_version":"1.0","source":{"id":"1509.05113","kind":"arxiv","version":2}},"canonical_sha256":"1e41624076aa4046239cc6481dd1da265d5db42c870a60d272df2a397a0b7a56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1e41624076aa4046239cc6481dd1da265d5db42c870a60d272df2a397a0b7a56","first_computed_at":"2026-05-18T01:12:43.406547Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:43.406547Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8PuZkUhir5YPYc+Sr1LP9Jf1oJzjvbYrpC/K5uf6bfVP9Ue/YvkXtkuZPWfeexAPtABFw9vFBdtCR1aQG/v/Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:43.406880Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.05113","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e9c612f9016d4771a187daf017d0a18410938fc07dcf665488a3a34ef0fdc79","sha256:ddf79131767f9d74bd9246fbe12e2319d72a5f01a022364ebecc20b374278088"],"state_sha256":"8e46f744db943f9d81afab2ae894bffa231fc2a96da2b1a93e1284aef65b15e1"}