{"id":"https://openalex.org/W4411600502","doi":"https://doi.org/10.1109/cec65147.2025.11042947","title":"Multiobjective Clustering-Guided Multitasking for Diversified Sequential Recommendation","display_name":"Multiobjective Clustering-Guided Multitasking for Diversified Sequential Recommendation","publication_year":2025,"publication_date":"2025-06-08","ids":{"openalex":"https://openalex.org/W4411600502","doi":"https://doi.org/10.1109/cec65147.2025.11042947"},"language":"en","primary_location":{"id":"doi:10.1109/cec65147.2025.11042947","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cec65147.2025.11042947","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Congress on Evolutionary Computation (CEC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5088923756","display_name":"Ruihuan Wu","orcid":"https://orcid.org/0000-0002-9125-115X"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruxin Wu","raw_affiliation_strings":["Shenzhen University,School of Artificial Intelligence,Shenzhen,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shenzhen University,School of Artificial Intelligence,Shenzhen,China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087706911","display_name":"Wei Zhou","orcid":"https://orcid.org/0000-0001-8681-7326"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Zhou","raw_affiliation_strings":["Chongqing University,Key Laboratory of Dependable Service Computing in Cyber Physical Society,Chongqing,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chongqing University,Key Laboratory of Dependable Service Computing in Cyber Physical Society,Chongqing,China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046906366","display_name":"Junkai Ji","orcid":"https://orcid.org/0000-0002-1985-938X"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junkai Ji","raw_affiliation_strings":["Shenzhen University,School of Artificial Intelligence,Shenzhen,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shenzhen University,School of Artificial Intelligence,Shenzhen,China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Sijun Peng","orcid":null},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210158570","display_name":"Zhejiang University-University of Edinburgh Institute","ror":"https://ror.org/04jth1r26","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210158570","https://openalex.org/I76130692","https://openalex.org/I98677209"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sijun Peng","raw_affiliation_strings":["Wuhan University,School of Computer Science,Wuhan,China","Zhejiang University-University of Edinburgh Institute, Zhejiang University,Hangzhou,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wuhan University,School of Computer Science,Wuhan,China","institution_ids":["https://openalex.org/I37461747"]},{"raw_affiliation_string":"Zhejiang University-University of Edinburgh Institute, Zhejiang University,Hangzhou,China","institution_ids":["https://openalex.org/I4210158570"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Siqin Peng","orcid":null},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210158570","display_name":"Zhejiang University-University of Edinburgh Institute","ror":"https://ror.org/04jth1r26","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210158570","https://openalex.org/I76130692","https://openalex.org/I98677209"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Siqin Peng","raw_affiliation_strings":["Wuhan University,School of Computer Science,Wuhan,China","Zhejiang University-University of Edinburgh Institute, Zhejiang University,Hangzhou,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wuhan University,School of Computer Science,Wuhan,China","institution_ids":["https://openalex.org/I37461747"]},{"raw_affiliation_string":"Zhejiang University-University of Edinburgh Institute, Zhejiang University,Hangzhou,China","institution_ids":["https://openalex.org/I4210158570"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052762681","display_name":"Zexuan Zhu","orcid":"https://orcid.org/0000-0001-8479-6904"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zexuan Zhu","raw_affiliation_strings":["Shenzhen University,School of Artificial Intelligence,Shenzhen,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shenzhen University,School of Artificial Intelligence,Shenzhen,China","institution_ids":["https://openalex.org/I180726961"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9921000003814697,"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":0.9921000003814697,"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/T12384","display_name":"Customer churn and segmentation","score":0.9314000010490417,"subfield":{"id":"https://openalex.org/subfields/1406","display_name":"Marketing"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10664","display_name":"Sentiment Analysis and Opinion Mining","score":0.9114999771118164,"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/human-multitasking","display_name":"Human multitasking","score":0.9255658388137817},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.7822527289390564},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7059022188186646},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.28633761405944824},{"id":"https://openalex.org/keywords/cognitive-psychology","display_name":"Cognitive psychology","score":0.12907597422599792},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.11272364854812622}],"concepts":[{"id":"https://openalex.org/C107418235","wikidata":"https://www.wikidata.org/wiki/Q1520565","display_name":"Human multitasking","level":2,"score":0.9255658388137817},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.7822527289390564},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7059022188186646},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.28633761405944824},{"id":"https://openalex.org/C180747234","wikidata":"https://www.wikidata.org/wiki/Q23373","display_name":"Cognitive psychology","level":1,"score":0.12907597422599792},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.11272364854812622}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/cec65147.2025.11042947","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cec65147.2025.11042947","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Congress on Evolutionary Computation (CEC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321135","display_name":"Chongqing University","ror":"https://ror.org/023rhb549"},{"id":"https://openalex.org/F4320321408","display_name":"Ministry of Education","ror":"https://ror.org/01p262204"},{"id":"https://openalex.org/F4320337504","display_name":"Research and Development","ror":"https://ror.org/027s68j25"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1967507014","https://openalex.org/W2054141820","https://openalex.org/W2413527939","https://openalex.org/W2604662567","https://openalex.org/W3010526324","https://openalex.org/W3094605801","https://openalex.org/W3113225827","https://openalex.org/W3116873649","https://openalex.org/W4223982309","https://openalex.org/W4226006895","https://openalex.org/W4290944002","https://openalex.org/W4324291242","https://openalex.org/W4399527524","https://openalex.org/W4399618167","https://openalex.org/W4402639612","https://openalex.org/W4409365705","https://openalex.org/W4409657076"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W4388263628","https://openalex.org/W4242930893","https://openalex.org/W3140336604","https://openalex.org/W2488058330","https://openalex.org/W1988895983","https://openalex.org/W4237084280","https://openalex.org/W2886487614"],"abstract_inverted_index":{"Sequential":[0],"recommendation":[1],"(SR)":[2],"aims":[3],"to":[4,46,101,123,147],"predict":[5],"users\u2019":[6,34],"next-item":[7],"preferences":[8,23,36],"by":[9,168],"analyzing":[10],"their":[11,152],"historical":[12],"interaction":[13],"sequences.":[14],"Most":[15],"existing":[16],"SR":[17],"models":[18,150],"primarily":[19],"focus":[20],"on":[21,129],"user":[22],"for":[24,37],"a":[25,71,94,114],"single":[26],"objective":[27],"of":[28],"item":[29,39],"relevance;":[30],"they":[31],"often":[32],"overlook":[33],"personalized":[35],"diversified":[38,153],"attributes.":[40],"Although":[41],"recent":[42],"studies":[43,157],"have":[44],"attempted":[45],"address":[47],"this":[48,68],"limitation,":[49],"efficiently":[50],"resolving":[51],"the":[52,79,160],"inherent":[53],"accuracy-diversity":[54],"trade-off":[55],"remains":[56],"an":[57],"open":[58],"challenge.":[59],"Drawing":[60],"inspirations":[61],"from":[62],"multiobjective":[63,72,96,115],"optimization":[64,120,166],"and":[65,143,151],"evolutionary":[66],"multitasking,":[67],"paper":[69],"proposes":[70],"clustering-guided":[73],"multitasking":[74,116],"framework":[75],"(MCGM-SR)":[76],"that":[77,135,159],"reconciles":[78],"two":[80,130],"competing":[81],"objectives":[82],"in":[83,140],"sequential":[84,149],"recommendation.":[85],"To":[86],"enable":[87],"knowledge":[88,171],"transfer":[89],"across":[90,121],"homologous":[91],"preference":[92],"patterns,":[93],"user-level":[95],"clustering":[97,162],"mechanism":[98],"is":[99],"introduced":[100],"group":[102],"users":[103],"with":[104],"similar":[105],"behavioral":[106],"trajectories":[107],"into":[108],"objective-oriented":[109],"clusters.":[110],"Within":[111],"each":[112],"cluster,":[113],"algorithm":[117],"facilitates":[118],"synergistic":[119],"tasks":[122],"improve":[124],"convergence":[125],"efficiency.":[126],"Extensive":[127],"experiments":[128],"real-world":[131],"public":[132],"datasets":[133],"demonstrate":[134],"MCGM-SR":[136],"achieves":[137],"significant":[138],"improvements":[139],"both":[141],"accuracy":[142],"diversity":[144],"metrics,":[145],"compared":[146],"state-of-the-art":[148],"baselines.":[154],"Further":[155],"ablation":[156],"reveal":[158],"proposed":[161],"method":[163],"significantly":[164],"enhances":[165],"performance":[167],"effectively":[169],"facilitating":[170],"transfer.":[172]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}