{"id":"https://openalex.org/W4403577336","doi":"https://doi.org/10.1145/3627673.3679792","title":"Reformulating Conversational Recommender Systems as Tri-Phase Offline Policy Learning","display_name":"Reformulating Conversational Recommender Systems as Tri-Phase Offline Policy Learning","publication_year":2024,"publication_date":"2024-10-20","ids":{"openalex":"https://openalex.org/W4403577336","doi":"https://doi.org/10.1145/3627673.3679792"},"language":"en","primary_location":{"id":"doi:10.1145/3627673.3679792","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3627673.3679792","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 33rd ACM International Conference on Information and Knowledge Management","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5002460793","display_name":"Gangyi Zhang","orcid":"https://orcid.org/0009-0007-4092-993X"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gangyi Zhang","raw_affiliation_strings":["University of Science and Technology of China, Hefei, China"],"raw_orcid":"https://orcid.org/0009-0007-4092-993X","affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068892996","display_name":"Chongming Gao","orcid":"https://orcid.org/0000-0002-5187-9196"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chongming Gao","raw_affiliation_strings":["University of Science and Technology of China, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0002-5187-9196","affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027476652","display_name":"Hang Pan","orcid":"https://orcid.org/0000-0001-8020-203X"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hang Pan","raw_affiliation_strings":["University of Science and Technology of China, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0001-8020-203X","affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Runzhe Teng","orcid":"https://orcid.org/0009-0000-2628-1558"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Runzhe Teng","raw_affiliation_strings":["University of Science and Technology of China, Hefei, China"],"raw_orcid":"https://orcid.org/0009-0000-2628-1558","affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"last","author":{"id":null,"display_name":"Ruizhe Li","orcid":"https://orcid.org/0009-0007-6816-5302"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruizhe Li","raw_affiliation_strings":["University of Science and Technology of China, Hefei, China"],"raw_orcid":"https://orcid.org/0009-0007-6816-5302","affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I126520041"],"apc_list":null,"apc_paid":null,"fwci":3.3777,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.93590295,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"3135","last_page":"3144"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9944999814033508,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10203","display_name":"Recommender Systems and Techniques","score":0.9944999814033508,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10028","display_name":"Topic Modeling","score":0.9151999950408936,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.8105567693710327},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7884618639945984},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.5036930441856384},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3685952126979828},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.28645414113998413}],"concepts":[{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.8105567693710327},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7884618639945984},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.5036930441856384},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3685952126979828},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.28645414113998413},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3627673.3679792","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3627673.3679792","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 33rd ACM International Conference on Information and Knowledge Management","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W2349436533","https://openalex.org/W2891389695","https://openalex.org/W2945623882","https://openalex.org/W2997662139","https://openalex.org/W2999905431","https://openalex.org/W3035734059","https://openalex.org/W3038439974","https://openalex.org/W3042061728","https://openalex.org/W3080122044","https://openalex.org/W3099865390","https://openalex.org/W3100790518","https://openalex.org/W3102862020","https://openalex.org/W3152509363","https://openalex.org/W3185784178","https://openalex.org/W3195061894","https://openalex.org/W4214849153","https://openalex.org/W4224312735","https://openalex.org/W4224903788","https://openalex.org/W4239019441","https://openalex.org/W4284702156","https://openalex.org/W4292423901","https://openalex.org/W4321485535","https://openalex.org/W4367319708","https://openalex.org/W4383993482","https://openalex.org/W4386729449","https://openalex.org/W4389524458","https://openalex.org/W4392490033","https://openalex.org/W4400524493","https://openalex.org/W4400525423","https://openalex.org/W4400528915","https://openalex.org/W4400532371"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W4390273403","https://openalex.org/W4386781444","https://openalex.org/W2150182025","https://openalex.org/W3092950680","https://openalex.org/W3197542405","https://openalex.org/W2056712470","https://openalex.org/W3125580266"],"abstract_inverted_index":{"Existing":[0],"Conversational":[1,69],"Recommender":[2,70],"Systems":[3],"(CRS)":[4],"predominantly":[5],"utilize":[6],"user":[7,22,39,98,108,128,147],"simulators":[8,16],"for":[9],"training":[10],"and":[11,80,106,118],"evaluating":[12],"recommendation":[13,153],"policies.":[14],"These":[15],"often":[17],"oversimplify":[18],"the":[19,32,64,152],"complexity":[20],"of":[21,146],"interactions":[23,79],"by":[24],"focusing":[25],"solely":[26],"on":[27,77],"static":[28],"item":[29],"attributes,":[30],"neglecting":[31],"rich,":[33],"evolving":[34,107],"preferences":[35],"that":[36,47,100],"characterize":[37],"real-world":[38],"behavior.":[40],"This":[41,130],"limitation":[42],"frequently":[43],"leads":[44],"to":[45],"models":[46,125],"perform":[48],"well":[49],"in":[50,55,85,120,126],"simulated":[51],"environments":[52],"but":[53,140],"falter":[54],"actual":[56],"deployment.":[57],"Addressing":[58],"these":[59],"challenges,":[60],"this":[61],"paper":[62],"introduces":[63],"Tri-Phase":[65],"Offline":[66],"Policy":[67],"Learning-based":[68],"System":[71],"(TPCRS),":[72],"which":[73],"significantly":[74],"reduces":[75],"dependency":[76],"real-time":[78],"mitigates":[81],"overfitting":[82],"issues":[83],"prevalent":[84],"traditional":[86,123],"approaches.":[87],"TPCRS":[88,113],"integrates":[89],"a":[90,96,135,143],"model-based":[91],"offline":[92],"learning":[93],"strategy":[94],"with":[95,103],"controllable":[97],"simulation":[99],"dynamically":[101],"aligns":[102],"both":[104],"personalized":[105],"preferences.":[109],"Through":[110],"comprehensive":[111],"experiments,":[112],"demonstrates":[114],"enhanced":[115],"robustness,":[116],"adaptability,":[117],"accuracy":[119],"recommendations,":[121],"outperforming":[122],"CRS":[124],"diverse":[127],"scenarios.":[129],"approach":[131],"not":[132],"only":[133],"provides":[134],"more":[136],"realistic":[137],"evaluation":[138],"environment":[139],"also":[141],"facilitates":[142],"deeper":[144],"understanding":[145],"behavior":[148],"dynamics,":[149],"thereby":[150],"refining":[151],"process.":[154]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
