{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:23TTB2PKNJTG7T3IXY6OFONF4R","short_pith_number":"pith:23TTB2PK","canonical_record":{"source":{"id":"1607.03401","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-07-12T15:30:10Z","cross_cats_sorted":["cs.LG","cs.MM"],"title_canon_sha256":"c920c21e2564def5411efda1e31e5af0b3b3228ef86126062837cd3e78038b75","abstract_canon_sha256":"8f09f4df24d4cc1be1f7abd5dee05249ced85151194f857704955d9c5c2c356a"},"schema_version":"1.0"},"canonical_sha256":"d6e730e9ea6a666fcf68be3ce2b9a5e45b1bd4f7a8c8fdb57273aef0a5d2fbde","source":{"kind":"arxiv","id":"1607.03401","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.03401","created_at":"2026-05-18T01:11:09Z"},{"alias_kind":"arxiv_version","alias_value":"1607.03401v1","created_at":"2026-05-18T01:11:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.03401","created_at":"2026-05-18T01:11:09Z"},{"alias_kind":"pith_short_12","alias_value":"23TTB2PKNJTG","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"23TTB2PKNJTG7T3I","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"23TTB2PK","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:23TTB2PKNJTG7T3IXY6OFONF4R","target":"record","payload":{"canonical_record":{"source":{"id":"1607.03401","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-07-12T15:30:10Z","cross_cats_sorted":["cs.LG","cs.MM"],"title_canon_sha256":"c920c21e2564def5411efda1e31e5af0b3b3228ef86126062837cd3e78038b75","abstract_canon_sha256":"8f09f4df24d4cc1be1f7abd5dee05249ced85151194f857704955d9c5c2c356a"},"schema_version":"1.0"},"canonical_sha256":"d6e730e9ea6a666fcf68be3ce2b9a5e45b1bd4f7a8c8fdb57273aef0a5d2fbde","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:09.094370Z","signature_b64":"ZYKjMZT3cPh2BnibQduqYfSkC20DepgKENFmXXmPOt470/oQDVYmKBgEnI4D81zEwT2K5S294f+tvpToNtW1CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6e730e9ea6a666fcf68be3ce2b9a5e45b1bd4f7a8c8fdb57273aef0a5d2fbde","last_reissued_at":"2026-05-18T01:11:09.093877Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:09.093877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.03401","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:11:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n6eAHA7njzgoICt2aOJBk5O9ywAJ8VUp6bpnJXFvux/smQcdfLgwy464uAy3A97zlBzzTc4ikcGxLG9byFnLAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:39:51.426192Z"},"content_sha256":"524e2b0b50cd43a216bca887088d083fcdfb98f7a0387101377087ded165c7b3","schema_version":"1.0","event_id":"sha256:524e2b0b50cd43a216bca887088d083fcdfb98f7a0387101377087ded165c7b3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:23TTB2PKNJTG7T3IXY6OFONF4R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Parsimonious Mixed-Effects HodgeRank for Crowdsourced Preference Aggregation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","cs.MM"],"primary_cat":"cs.HC","authors_text":"Jiechao Xiong, Qianqian Xu, Xiaochun Cao, Yuan Yao","submitted_at":"2016-07-12T15:30:10Z","abstract_excerpt":"In crowdsourced preference aggregation, it is often assumed that all the annotators are subject to a common preference or utility function which generates their comparison behaviors in experiments. However, in reality annotators are subject to variations due to multi-criteria, abnormal, or a mixture of such behaviors. In this paper, we propose a parsimonious mixed-effects model based on HodgeRank, which takes into account both the fixed effect that the majority of annotators follows a common linear utility model, and the random effect that a small subset of annotators might deviate from the co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.03401","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:11:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J8wxxE+z3O96DV8RR7gVsyhIxKwWkhHHl8bgJiyuKFLrC1xMHG6dNuigXpxHxzztSMV5dylxoAYoJuwLXBziCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:39:51.426595Z"},"content_sha256":"a57d852b99322621f425b9038c31c952b38cba85a48307805fc2b50382b6b4d6","schema_version":"1.0","event_id":"sha256:a57d852b99322621f425b9038c31c952b38cba85a48307805fc2b50382b6b4d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/23TTB2PKNJTG7T3IXY6OFONF4R/bundle.json","state_url":"https://pith.science/pith/23TTB2PKNJTG7T3IXY6OFONF4R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/23TTB2PKNJTG7T3IXY6OFONF4R/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T11:39:51Z","links":{"resolver":"https://pith.science/pith/23TTB2PKNJTG7T3IXY6OFONF4R","bundle":"https://pith.science/pith/23TTB2PKNJTG7T3IXY6OFONF4R/bundle.json","state":"https://pith.science/pith/23TTB2PKNJTG7T3IXY6OFONF4R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/23TTB2PKNJTG7T3IXY6OFONF4R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:23TTB2PKNJTG7T3IXY6OFONF4R","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":"8f09f4df24d4cc1be1f7abd5dee05249ced85151194f857704955d9c5c2c356a","cross_cats_sorted":["cs.LG","cs.MM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-07-12T15:30:10Z","title_canon_sha256":"c920c21e2564def5411efda1e31e5af0b3b3228ef86126062837cd3e78038b75"},"schema_version":"1.0","source":{"id":"1607.03401","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.03401","created_at":"2026-05-18T01:11:09Z"},{"alias_kind":"arxiv_version","alias_value":"1607.03401v1","created_at":"2026-05-18T01:11:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.03401","created_at":"2026-05-18T01:11:09Z"},{"alias_kind":"pith_short_12","alias_value":"23TTB2PKNJTG","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"23TTB2PKNJTG7T3I","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"23TTB2PK","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:a57d852b99322621f425b9038c31c952b38cba85a48307805fc2b50382b6b4d6","target":"graph","created_at":"2026-05-18T01:11:09Z","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":"In crowdsourced preference aggregation, it is often assumed that all the annotators are subject to a common preference or utility function which generates their comparison behaviors in experiments. However, in reality annotators are subject to variations due to multi-criteria, abnormal, or a mixture of such behaviors. In this paper, we propose a parsimonious mixed-effects model based on HodgeRank, which takes into account both the fixed effect that the majority of annotators follows a common linear utility model, and the random effect that a small subset of annotators might deviate from the co","authors_text":"Jiechao Xiong, Qianqian Xu, Xiaochun Cao, Yuan Yao","cross_cats":["cs.LG","cs.MM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-07-12T15:30:10Z","title":"Parsimonious Mixed-Effects HodgeRank for Crowdsourced Preference Aggregation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.03401","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":"sha256:524e2b0b50cd43a216bca887088d083fcdfb98f7a0387101377087ded165c7b3","target":"record","created_at":"2026-05-18T01:11:09Z","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":"8f09f4df24d4cc1be1f7abd5dee05249ced85151194f857704955d9c5c2c356a","cross_cats_sorted":["cs.LG","cs.MM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-07-12T15:30:10Z","title_canon_sha256":"c920c21e2564def5411efda1e31e5af0b3b3228ef86126062837cd3e78038b75"},"schema_version":"1.0","source":{"id":"1607.03401","kind":"arxiv","version":1}},"canonical_sha256":"d6e730e9ea6a666fcf68be3ce2b9a5e45b1bd4f7a8c8fdb57273aef0a5d2fbde","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6e730e9ea6a666fcf68be3ce2b9a5e45b1bd4f7a8c8fdb57273aef0a5d2fbde","first_computed_at":"2026-05-18T01:11:09.093877Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:09.093877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZYKjMZT3cPh2BnibQduqYfSkC20DepgKENFmXXmPOt470/oQDVYmKBgEnI4D81zEwT2K5S294f+tvpToNtW1CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:09.094370Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.03401","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:524e2b0b50cd43a216bca887088d083fcdfb98f7a0387101377087ded165c7b3","sha256:a57d852b99322621f425b9038c31c952b38cba85a48307805fc2b50382b6b4d6"],"state_sha256":"4e33e0377a8ea2262a8ecdfc497b5f5027f8e45805496fcecea4fb7f79f2bc3f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"18kuKImd3oKVJfxWPm/feaP0dBoOIbf4PI8eMoDavLDnEB48pVyQqdhG6JmdRXEZntAMJ1rT/I3uaDD/ZgCKAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:39:51.429119Z","bundle_sha256":"fcaada1ea6b74979409146fdb221a4d743a6130afbc250d8856efde15d64a4fd"}}