{"id":"https://openalex.org/W4412377856","doi":"https://doi.org/10.1145/3726302.3730238","title":"PUB: An LLM-Enhanced Personality-Driven User Behaviour Simulator for Recommender System Evaluation","display_name":"PUB: An LLM-Enhanced Personality-Driven User Behaviour Simulator for Recommender System Evaluation","publication_year":2025,"publication_date":"2025-07-13","ids":{"openalex":"https://openalex.org/W4412377856","doi":"https://doi.org/10.1145/3726302.3730238"},"language":"en","primary_location":{"id":"doi:10.1145/3726302.3730238","doi":"https://doi.org/10.1145/3726302.3730238","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3726302.3730238","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3726302.3730238","source":{"id":"https://openalex.org/S4363608773","display_name":"International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3726302.3730238","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5038674041","display_name":"Chenglong Ma","orcid":"https://orcid.org/0000-0002-6745-4029","observed_orcids":["https://orcid.org/0000-0002-6745-4029"]},"institutions":[{"id":"https://openalex.org/I82951845","display_name":"RMIT University","ror":"https://ror.org/04ttjf776","country_code":"AU","type":"education","lineage":["https://openalex.org/I82951845"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Chenglong Ma","raw_affiliation_strings":["RMIT University, Melbourne, Australia"],"raw_orcid":"https://orcid.org/0000-0002-6745-4029","affiliations":[{"raw_affiliation_string":"RMIT University, Melbourne, Australia","institution_ids":["https://openalex.org/I82951845"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100743349","display_name":"Ziqi Xu","orcid":"https://orcid.org/0000-0003-1748-5801","observed_orcids":["https://orcid.org/0000-0003-1748-5801","https://orcid.org/0000-0001-9327-1026"]},"institutions":[{"id":"https://openalex.org/I82951845","display_name":"RMIT University","ror":"https://ror.org/04ttjf776","country_code":"AU","type":"education","lineage":["https://openalex.org/I82951845"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Ziqi Xu","raw_affiliation_strings":["RMIT University, Melbourne, Australia"],"raw_orcid":"https://orcid.org/0000-0003-1748-5801","affiliations":[{"raw_affiliation_string":"RMIT University, Melbourne, Australia","institution_ids":["https://openalex.org/I82951845"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039040673","display_name":"Yongli Ren","orcid":"https://orcid.org/0000-0002-3137-9653","observed_orcids":["https://orcid.org/0000-0002-3137-9653"]},"institutions":[{"id":"https://openalex.org/I82951845","display_name":"RMIT University","ror":"https://ror.org/04ttjf776","country_code":"AU","type":"education","lineage":["https://openalex.org/I82951845"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Yongli Ren","raw_affiliation_strings":["RMIT University, Melbourne, Australia"],"raw_orcid":"https://orcid.org/0000-0002-3137-9653","affiliations":[{"raw_affiliation_string":"RMIT University, Melbourne, Australia","institution_ids":["https://openalex.org/I82951845"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014686840","display_name":"Danula Hettiachchi","orcid":"https://orcid.org/0000-0003-3875-5727","observed_orcids":["https://orcid.org/0000-0003-3875-5727"]},"institutions":[{"id":"https://openalex.org/I82951845","display_name":"RMIT University","ror":"https://ror.org/04ttjf776","country_code":"AU","type":"education","lineage":["https://openalex.org/I82951845"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Danula Hettiachchi","raw_affiliation_strings":["RMIT University, Melbourne, Australia"],"raw_orcid":"https://orcid.org/0000-0003-3875-5727","affiliations":[{"raw_affiliation_string":"RMIT University, Melbourne, Australia","institution_ids":["https://openalex.org/I82951845"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071422010","display_name":"Jeffrey Chan","orcid":"https://orcid.org/0000-0002-7865-072X","observed_orcids":["https://orcid.org/0000-0002-7865-072X","https://orcid.org/0009-0000-5314-8832","https://orcid.org/0000-0003-0231-2393"]},"institutions":[{"id":"https://openalex.org/I82951845","display_name":"RMIT University","ror":"https://ror.org/04ttjf776","country_code":"AU","type":"education","lineage":["https://openalex.org/I82951845"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Jeffrey Chan","raw_affiliation_strings":["RMIT University, Melbourne, Australia"],"raw_orcid":"https://orcid.org/0000-0002-7865-072X","affiliations":[{"raw_affiliation_string":"RMIT University, Melbourne, Australia","institution_ids":["https://openalex.org/I82951845"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I82951845"],"apc_list":null,"apc_paid":null,"fwci":11.7715,"has_fulltext":true,"cited_by_count":10,"citation_normalized_percentile":{"value":0.98737183,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"2690","last_page":"2694"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":1.0,"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":1.0,"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/T10286","display_name":"Information Retrieval and Search Behavior","score":0.0,"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/T12101","display_name":"Advanced Bandit Algorithms Research","score":0.0,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/recommender-system-evaluation","display_name":"recommender system evaluation","score":0.9419999718666077},{"id":"https://openalex.org/keywords/big-five-personality-traits","display_name":"Big Five personality traits","score":0.8080000281333923},{"id":"https://openalex.org/keywords/amazon-product-reviews","display_name":"Amazon reviews","score":0.6970000267028809},{"id":"https://openalex.org/keywords/offline-evaluation","display_name":"offline evaluation","score":0.5139999985694885}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7627314329147339},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.7341318130493164},{"id":"https://openalex.org/C187288502","wikidata":"https://www.wikidata.org/wiki/Q641118","display_name":"Personality","level":2,"score":0.5641964673995972},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.5549814105033875},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.46961551904678345},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.1903349757194519},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.1290798783302307},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.06920686364173889}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3726302.3730238","doi":"https://doi.org/10.1145/3726302.3730238","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3726302.3730238","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3726302.3730238","source":{"id":"https://openalex.org/S4363608773","display_name":"International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2506.04551","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2506.04551","pdf_url":"https://arxiv.org/pdf/2506.04551","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2506.04551","doi":"https://doi.org/10.48550/arxiv.2506.04551","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2506.04551","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.1145/3726302.3730238","doi":"https://doi.org/10.1145/3726302.3730238","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3726302.3730238","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3726302.3730238","source":{"id":"https://openalex.org/S4363608773","display_name":"International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval","raw_type":"proceedings-article"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320315885","display_name":"Australian Government","ror":"https://ror.org/0314h5y94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4412377856.pdf","grobid_xml":"https://content.openalex.org/works/W4412377856.grobid-xml"},"referenced_works_count":18,"referenced_works":["https://openalex.org/W1992661147","https://openalex.org/W2054141820","https://openalex.org/W2146950091","https://openalex.org/W2605350416","https://openalex.org/W2747329762","https://openalex.org/W2897844661","https://openalex.org/W2911038074","https://openalex.org/W2915177913","https://openalex.org/W2963367478","https://openalex.org/W3045200674","https://openalex.org/W4284670225","https://openalex.org/W4285992936","https://openalex.org/W4306316977","https://openalex.org/W4386200967","https://openalex.org/W4392576636","https://openalex.org/W4396723309","https://openalex.org/W4402901320","https://openalex.org/W4411549663"],"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":{"Traditional":[0],"offline":[1],"evaluation":[2],"methods":[3,40],"for":[4],"recommender":[5,137],"systems":[6],"struggle":[7],"to":[8,16,35,42,71,97,135,145],"capture":[9],"the":[10,54,66,101,129,132],"complexity":[11],"of":[12,25,131],"modern":[13],"platforms":[14],"due":[15],"sparse":[17],"behavioural":[18,44,81],"signals,":[19],"noisy":[20],"data,":[21],"and":[22,86,117,124],"limited":[23],"modelling":[24],"user":[26,74,78,115],"personality":[27,69,79,122],"traits.While":[28],"simulation":[29,62],"frameworks":[30],"can":[31],"generate":[32],"synthetic":[33,91],"data":[34],"address":[36],"these":[37,50],"gaps,":[38],"existing":[39],"fail":[41],"replicate":[43],"diversity,":[45],"limiting":[46],"their":[47],"effectiveness.To":[48],"overcome":[49],"challenges,":[51],"we":[52],"propose":[53],"Personality-driven":[55],"User":[56],"Behaviour":[57],"Simulator":[58],"(PUB),":[59],"an":[60],"LLM-based":[61],"framework":[63],"that":[64,93,106],"integrates":[65],"Big":[67],"Five":[68],"traits":[70,123],"model":[72],"personalised":[73],"behaviour.PUB":[75],"dynamically":[76],"infers":[77],"from":[80],"logs":[82,107],"(e.g.,":[83],"ratings,":[84],"reviews)":[85],"item":[87],"metadata,":[88],"then":[89],"generates":[90],"interactions":[92],"preserve":[94],"statistical":[95],"fidelity":[96],"real-world":[98,147],"data.Experiments":[99],"on":[100],"Amazon":[102],"review":[103],"datasets":[104],"show":[105],"generated":[108],"by":[109],"PUB":[110],"closely":[111],"align":[112],"with":[113],"real":[114],"behaviour":[116],"reveal":[118],"meaningful":[119],"associations":[120],"between":[121],"recommendation":[125],"outcomes.These":[126],"results":[127],"highlight":[128],"potential":[130],"personality-driven":[133],"simulator":[134],"advance":[136],"system":[138],"evaluation,":[139],"offering":[140],"scalable,":[141],"controllable,":[142],"high-fidelity":[143],"alternatives":[144],"resource-intensive":[146],"experiments.1":[148]},"counts_by_year":[{"year":2026,"cited_by_count":8},{"year":2025,"cited_by_count":2}],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2025-10-10T00:00:00"}
