{"id":"https://openalex.org/W4403487887","doi":"https://doi.org/10.3233/faia240703","title":"Pessimistic Off-Policy Optimization for Learning to Rank","display_name":"Pessimistic Off-Policy Optimization for Learning to Rank","publication_year":2024,"publication_date":"2024-10-16","ids":{"openalex":"https://openalex.org/W4403487887","doi":"https://doi.org/10.3233/faia240703"},"language":"en","primary_location":{"id":"doi:10.3233/faia240703","is_oa":true,"landing_page_url":"https://doi.org/10.3233/faia240703","pdf_url":"https://ebooks.iospress.nl/pdf/doi/10.3233/FAIA240703","source":{"id":"https://openalex.org/S4210201731","display_name":"Frontiers in artificial intelligence and applications","issn_l":"0922-6389","issn":["0922-6389","1879-8314"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Artificial Intelligence and Applications","raw_type":"book-chapter"},"type":"book-chapter","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://ebooks.iospress.nl/pdf/doi/10.3233/FAIA240703","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5066147171","display_name":"Matej Cief","orcid":"https://orcid.org/0000-0001-9225-5155"},"institutions":[{"id":"https://openalex.org/I1311688040","display_name":"Amazon (United States)","ror":"https://ror.org/04mv4n011","country_code":"US","type":"company","lineage":["https://openalex.org/I1311688040"]},{"id":"https://openalex.org/I4401200340","display_name":"Kempelen Institute of Intelligent Technologies","ror":"https://ror.org/02j78kr76","country_code":null,"type":"nonprofit","lineage":["https://openalex.org/I4401200340"]},{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ","US"],"is_corresponding":true,"raw_author_name":"Matej Cief","raw_affiliation_strings":["Brno University of Technology","Kempelen Institute of Intelligent Technologies","Kempelen Institute of Intelligent Technologies c Amazon"],"affiliations":[{"raw_affiliation_string":"Brno University of Technology","institution_ids":["https://openalex.org/I60587646"]},{"raw_affiliation_string":"Kempelen Institute of Intelligent Technologies","institution_ids":["https://openalex.org/I4401200340"]},{"raw_affiliation_string":"Kempelen Institute of Intelligent Technologies c Amazon","institution_ids":["https://openalex.org/I1311688040","https://openalex.org/I4401200340"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049020775","display_name":"Branislav Kveton","orcid":"https://orcid.org/0000-0002-3965-1367"},"institutions":[{"id":"https://openalex.org/I4210089985","display_name":"Amazon (Germany)","ror":"https://ror.org/00b9ktm87","country_code":"DE","type":"company","lineage":["https://openalex.org/I1311688040","https://openalex.org/I4210089985"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Branislav Kveton","raw_affiliation_strings":["Amazon"],"affiliations":[{"raw_affiliation_string":"Amazon","institution_ids":["https://openalex.org/I4210089985"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052619773","display_name":"Michal Kompan","orcid":"https://orcid.org/0000-0002-4649-5120"},"institutions":[{"id":"https://openalex.org/I4401200340","display_name":"Kempelen Institute of Intelligent Technologies","ror":"https://ror.org/02j78kr76","country_code":null,"type":"nonprofit","lineage":["https://openalex.org/I4401200340"]},{"id":"https://openalex.org/I1311688040","display_name":"Amazon (United States)","ror":"https://ror.org/04mv4n011","country_code":"US","type":"company","lineage":["https://openalex.org/I1311688040"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michal Kompan","raw_affiliation_strings":["Kempelen Institute of Intelligent Technologies","Kempelen Institute of Intelligent Technologies c Amazon"],"affiliations":[{"raw_affiliation_string":"Kempelen Institute of Intelligent Technologies","institution_ids":["https://openalex.org/I4401200340"]},{"raw_affiliation_string":"Kempelen Institute of Intelligent Technologies c Amazon","institution_ids":["https://openalex.org/I1311688040","https://openalex.org/I4401200340"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5066147171"],"corresponding_institution_ids":["https://openalex.org/I1311688040","https://openalex.org/I4401200340","https://openalex.org/I60587646"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.38796879,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.40299999713897705,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.40299999713897705,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10533","display_name":"Teaching and Learning Programming","score":0.38089999556541443,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/pessimism","display_name":"Pessimism","score":0.7888118624687195},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.6396993398666382},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.36610957980155945},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.35372310876846313},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3226829171180725},{"id":"https://openalex.org/keywords/econometrics","display_name":"Econometrics","score":0.3214573264122009},{"id":"https://openalex.org/keywords/philosophy","display_name":"Philosophy","score":0.12608754634857178},{"id":"https://openalex.org/keywords/epistemology","display_name":"Epistemology","score":0.10605290532112122},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.10559684038162231}],"concepts":[{"id":"https://openalex.org/C9992130","wikidata":"https://www.wikidata.org/wiki/Q484954","display_name":"Pessimism","level":2,"score":0.7888118624687195},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.6396993398666382},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.36610957980155945},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.35372310876846313},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3226829171180725},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.3214573264122009},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.12608754634857178},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.10605290532112122},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.10559684038162231}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3233/faia240703","is_oa":true,"landing_page_url":"https://doi.org/10.3233/faia240703","pdf_url":"https://ebooks.iospress.nl/pdf/doi/10.3233/FAIA240703","source":{"id":"https://openalex.org/S4210201731","display_name":"Frontiers in artificial intelligence and applications","issn_l":"0922-6389","issn":["0922-6389","1879-8314"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Artificial Intelligence and Applications","raw_type":"book-chapter"},{"id":"pmh:oai:dspace.vut.cz:11012/250750","is_oa":true,"landing_page_url":"http://hdl.handle.net/11012/250750","pdf_url":"https://dspace.vut.cz/bitstreams/f38bc5cd-1c54-427a-8f02-ec42807b0e81/download","source":{"id":"https://openalex.org/S4306400317","display_name":"Brno University of Technology Digital Library (Brno University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I60587646","host_organization_name":"Brno University of Technology","host_organization_lineage":["https://openalex.org/I60587646"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"publishedVersion"},{"id":"pmh:oai:https://dspace.vut.cz:11012/250750","is_oa":true,"landing_page_url":"https://hdl.handle.net/11012/250750","pdf_url":null,"source":{"id":"https://openalex.org/S4306400317","display_name":"Brno University of Technology Digital Library (Brno University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I60587646","host_organization_name":"Brno University of Technology","host_organization_lineage":["https://openalex.org/I60587646"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"publishedVersion"}],"best_oa_location":{"id":"doi:10.3233/faia240703","is_oa":true,"landing_page_url":"https://doi.org/10.3233/faia240703","pdf_url":"https://ebooks.iospress.nl/pdf/doi/10.3233/FAIA240703","source":{"id":"https://openalex.org/S4210201731","display_name":"Frontiers in artificial intelligence and applications","issn_l":"0922-6389","issn":["0922-6389","1879-8314"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Artificial Intelligence and Applications","raw_type":"book-chapter"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.4300000071525574,"id":"https://metadata.un.org/sdg/16"}],"awards":[{"id":"https://openalex.org/G3931493262","display_name":"Improving scientific excellence and creativity in combating disinformation with artificial intelligence and language technologies","funder_award_id":"101079164","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G8318064016","display_name":null,"funder_award_id":"Horizon","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320334322","display_name":"HORIZON EUROPE Framework Programme","ror":null}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4403487887.pdf"},"referenced_works_count":40,"referenced_works":["https://openalex.org/W1530210183","https://openalex.org/W1900560890","https://openalex.org/W1974360117","https://openalex.org/W1992549066","https://openalex.org/W2039811614","https://openalex.org/W2047221353","https://openalex.org/W2073248814","https://openalex.org/W2076618162","https://openalex.org/W2080371694","https://openalex.org/W2086206379","https://openalex.org/W2090883204","https://openalex.org/W2112420033","https://openalex.org/W2113065326","https://openalex.org/W2113640060","https://openalex.org/W2122124659","https://openalex.org/W2154739689","https://openalex.org/W2159309155","https://openalex.org/W2188353343","https://openalex.org/W2259177609","https://openalex.org/W2507134384","https://openalex.org/W2566147423","https://openalex.org/W2594639291","https://openalex.org/W2735982890","https://openalex.org/W2785875001","https://openalex.org/W2798460079","https://openalex.org/W2893370267","https://openalex.org/W2997842202","https://openalex.org/W3081226161","https://openalex.org/W3088300790","https://openalex.org/W3099420497","https://openalex.org/W3147820337","https://openalex.org/W3166645952","https://openalex.org/W3166900126","https://openalex.org/W3201286590","https://openalex.org/W4213113302","https://openalex.org/W4233471163","https://openalex.org/W4238481765","https://openalex.org/W4293653493","https://openalex.org/W4302322961","https://openalex.org/W4311249286"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W4391375266","https://openalex.org/W4380987628","https://openalex.org/W2418537576","https://openalex.org/W2557514562","https://openalex.org/W214945085","https://openalex.org/W1987935396","https://openalex.org/W3126025002","https://openalex.org/W2136470566","https://openalex.org/W2367707186"],"abstract_inverted_index":{"Off-policy":[0],"learning":[1,68],"is":[2,21,43,56,74,100,153],"a":[3,48],"framework":[4],"for":[5,67],"optimizing":[6],"policies":[7],"without":[8],"deploying":[9],"them,":[10],"using":[11],"data":[12],"collected":[13],"by":[14,121],"another":[15],"policy.":[16],"In":[17],"recommender":[18],"systems,":[19],"this":[20,60],"especially":[22],"challenging":[23],"due":[24],"to":[25,69,75,136],"the":[26,53,88,91,116,127],"imbalance":[27],"in":[28],"logged":[29,37],"data:":[30],"some":[31],"items":[32],"are":[33],"recommended":[34],"and":[35,85,103,111,114,152,156],"thus":[36],"more":[38],"frequently":[39],"than":[40],"others.":[41],"This":[42,98],"further":[44],"perpetuated":[45],"when":[46],"recommending":[47],"list":[49,89],"of":[50,82,95,118,130],"items,":[51],"as":[52],"action":[54],"space":[55],"combinatorial.":[57],"To":[58,125],"address":[59],"challenge,":[61],"we":[62,104,133],"study":[63,108],"pessimistic":[64,93],"off-policy":[65,137],"optimization":[66],"rank.":[70],"The":[71],"key":[72],"idea":[73],"compute":[76],"lower":[77],"confidence":[78],"bounds":[79],"on":[80],"parameters":[81],"click":[83],"models":[84],"then":[86],"return":[87],"with":[90],"highest":[92],"estimate":[94],"its":[96,109],"value.":[97],"approach":[99,148],"computationally":[101],"efficient,":[102],"analyze":[105],"it.":[106],"We":[107],"Bayesian":[110],"frequentist":[112],"variants":[113],"overcome":[115],"limitation":[117],"unknown":[119],"prior":[120],"incorporating":[122],"empirical":[123,128],"Bayes.":[124],"show":[126],"effectiveness":[129],"our":[131],"approach,":[132],"compare":[134],"it":[135],"optimizers":[138],"that":[139],"use":[140],"inverse":[141],"propensity":[142],"scores":[143],"or":[144],"neglect":[145],"uncertainty.":[146],"Our":[147],"outperforms":[149],"all":[150],"baselines":[151],"both":[154],"robust":[155],"general.":[157]},"counts_by_year":[],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}