{"id":"https://openalex.org/W4414432068","doi":"https://doi.org/10.1109/tkde.2025.3613366","title":"Cross-Task Collaborative Meta-Learning for Cold-Start Recommendations","display_name":"Cross-Task Collaborative Meta-Learning for Cold-Start Recommendations","publication_year":2025,"publication_date":"2025-09-23","ids":{"openalex":"https://openalex.org/W4414432068","doi":"https://doi.org/10.1109/tkde.2025.3613366"},"language":"en","primary_location":{"id":"doi:10.1109/tkde.2025.3613366","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2025.3613366","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","raw_type":"journal-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/A5049066494","display_name":"Yantong Du","orcid":"https://orcid.org/0009-0009-8042-6303"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yantong Du","raw_affiliation_strings":["College of Computer Science and Technology, Harbin Engineering University, Harbin, China","College of Computer Science and Technology, Harbin Engineering University, China"],"raw_orcid":"https://orcid.org/0009-0009-8042-6303","affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Harbin Engineering University, Harbin, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"College of Computer Science and Technology, Harbin Engineering University, China","institution_ids":["https://openalex.org/I151727225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100403639","display_name":"Rui Chen","orcid":"https://orcid.org/0000-0002-3853-6308"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rui Chen","raw_affiliation_strings":["College of Computer Science and Technology, Harbin Engineering University, Harbin, China","College of Computer Science and Technology, Harbin Engineering University, China"],"raw_orcid":"https://orcid.org/0000-0002-3853-6308","affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Harbin Engineering University, Harbin, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"College of Computer Science and Technology, Harbin Engineering University, China","institution_ids":["https://openalex.org/I151727225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043697901","display_name":"Qiaoyu Tan","orcid":"https://orcid.org/0000-0001-8999-968X"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]},{"id":"https://openalex.org/I4210100255","display_name":"Beijing Academy of Artificial Intelligence","ror":"https://ror.org/016a74861","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210100255"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiaoyu Tan","raw_affiliation_strings":["Shanghai Frontiers Science Centre of Artificial Intelligence and Deep Learning, Shanghai, China","College of Computer Science and Technology, Harbin Engineering University, China"],"raw_orcid":"https://orcid.org/0000-0001-8999-968X","affiliations":[{"raw_affiliation_string":"Shanghai Frontiers Science Centre of Artificial Intelligence and Deep Learning, Shanghai, China","institution_ids":["https://openalex.org/I4210100255"]},{"raw_affiliation_string":"College of Computer Science and Technology, Harbin Engineering University, China","institution_ids":["https://openalex.org/I151727225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012682887","display_name":"Qilong Han","orcid":"https://orcid.org/0000-0002-5185-8387"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qilong Han","raw_affiliation_strings":["College of Computer Science and Technology, Harbin Engineering University, Harbin, China","College of Computer Science and Technology, Harbin Engineering University, China"],"raw_orcid":"https://orcid.org/0000-0002-5185-8387","affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Harbin Engineering University, Harbin, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"College of Computer Science and Technology, Harbin Engineering University, China","institution_ids":["https://openalex.org/I151727225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115694725","display_name":"Shenjie Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]},{"id":"https://openalex.org/I4210100255","display_name":"Beijing Academy of Artificial Intelligence","ror":"https://ror.org/016a74861","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210100255"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shenjie Wang","raw_affiliation_strings":["Shanghai Frontiers Science Centre of Artificial Intelligence and Deep Learning, Shanghai, China","College of Computer Science and Technology, Harbin Engineering University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Frontiers Science Centre of Artificial Intelligence and Deep Learning, Shanghai, China","institution_ids":["https://openalex.org/I4210100255"]},{"raw_affiliation_string":"College of Computer Science and Technology, Harbin Engineering University, China","institution_ids":["https://openalex.org/I151727225"]}]},{"author_position":"last","author":{"id":null,"display_name":"Xiangyu Zhao","orcid":"https://orcid.org/0000-0003-2926-4416"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]},{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["CN","HK"],"is_corresponding":false,"raw_author_name":"Xiangyu Zhao","raw_affiliation_strings":["City University of Hong Kong, Kowloon Tong, Hong Kong","College of Computer Science and Technology, Harbin Engineering University, China"],"raw_orcid":"https://orcid.org/0000-0003-2926-4416","affiliations":[{"raw_affiliation_string":"City University of Hong Kong, Kowloon Tong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]},{"raw_affiliation_string":"College of Computer Science and Technology, Harbin Engineering University, China","institution_ids":["https://openalex.org/I151727225"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.9223,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.89723172,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"37","issue":"12","first_page":"7016","last_page":"7029"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9803000092506409,"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":0.9803000092506409,"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/T11307","display_name":"Domain Adaptation and Few-Shot Learning","score":0.907800018787384,"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/profiling","display_name":"Profiling (computer programming)","score":0.6773999929428101},{"id":"https://openalex.org/keywords/collaborative-learning","display_name":"Collaborative learning","score":0.5839999914169312},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.5781000256538391},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.552299976348877},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.5346999764442444},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.4462999999523163},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.4408000111579895},{"id":"https://openalex.org/keywords/task-analysis","display_name":"Task analysis","score":0.3714999854564667}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8325999975204468},{"id":"https://openalex.org/C187191949","wikidata":"https://www.wikidata.org/wiki/Q1138496","display_name":"Profiling (computer programming)","level":2,"score":0.6773999929428101},{"id":"https://openalex.org/C138020889","wikidata":"https://www.wikidata.org/wiki/Q2349659","display_name":"Collaborative learning","level":2,"score":0.5839999914169312},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.5781000256538391},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.552299976348877},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.5346999764442444},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.4462999999523163},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.44429999589920044},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.4408000111579895},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.42570000886917114},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3849000036716461},{"id":"https://openalex.org/C175154964","wikidata":"https://www.wikidata.org/wiki/Q380077","display_name":"Task analysis","level":3,"score":0.3714999854564667},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3296999931335449},{"id":"https://openalex.org/C28006648","wikidata":"https://www.wikidata.org/wiki/Q6934509","display_name":"Multi-task learning","level":3,"score":0.31029999256134033},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.30640000104904175},{"id":"https://openalex.org/C2781249084","wikidata":"https://www.wikidata.org/wiki/Q908656","display_name":"Preference","level":2,"score":0.30390000343322754},{"id":"https://openalex.org/C62230096","wikidata":"https://www.wikidata.org/wiki/Q275969","display_name":"Crowdsourcing","level":2,"score":0.3021000027656555},{"id":"https://openalex.org/C181204326","wikidata":"https://www.wikidata.org/wiki/Q7239820","display_name":"Preference learning","level":3,"score":0.2906999886035919},{"id":"https://openalex.org/C12725497","wikidata":"https://www.wikidata.org/wiki/Q810247","display_name":"Baseline (sea)","level":2,"score":0.27900001406669617},{"id":"https://openalex.org/C86251818","wikidata":"https://www.wikidata.org/wiki/Q816754","display_name":"Benchmarking","level":2,"score":0.26570001244544983},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.25429999828338623}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tkde.2025.3613366","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2025.3613366","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1363456933","display_name":null,"funder_award_id":"62502404","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7484759394","display_name":null,"funder_award_id":"62572143","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320318398","display_name":"Ant Group","ror":null},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W2002834872","https://openalex.org/W2107481781","https://openalex.org/W2723293840","https://openalex.org/W2750303327","https://openalex.org/W2782111139","https://openalex.org/W2898653164","https://openalex.org/W2913560138","https://openalex.org/W2945827670","https://openalex.org/W2950166131","https://openalex.org/W2963707260","https://openalex.org/W2964983698","https://openalex.org/W2978745145","https://openalex.org/W2998496395","https://openalex.org/W2999324038","https://openalex.org/W3010027130","https://openalex.org/W3028156525","https://openalex.org/W3035666843","https://openalex.org/W3043239945","https://openalex.org/W3045200674","https://openalex.org/W3048212149","https://openalex.org/W3081320135","https://openalex.org/W3097300053","https://openalex.org/W3113410469","https://openalex.org/W3128842946","https://openalex.org/W3134235469","https://openalex.org/W3140581741","https://openalex.org/W3153189161","https://openalex.org/W3177379791","https://openalex.org/W3190638878","https://openalex.org/W3195061894","https://openalex.org/W3208227120","https://openalex.org/W4224310786","https://openalex.org/W4226016963","https://openalex.org/W4226253567","https://openalex.org/W4281750715","https://openalex.org/W4292722335","https://openalex.org/W4307302004","https://openalex.org/W4312391334","https://openalex.org/W4313591689","https://openalex.org/W4315977496","https://openalex.org/W4319452363","https://openalex.org/W4367047389","https://openalex.org/W4384648324","https://openalex.org/W4384659101","https://openalex.org/W4384659761","https://openalex.org/W4385565288","https://openalex.org/W4387846592"],"related_works":[],"abstract_inverted_index":{"Optimizer-based":[0],"meta-learning,":[1],"specifically":[2],"model-agnostic":[3],"meta-learning":[4,139],"(MAML),":[5],"has":[6],"emerged":[7],"as":[8,29],"a":[9,49,102,133,145,197],"powerful":[10],"tool":[11],"for":[12,23],"tackling":[13],"the":[14,59,77,82,86,123,153,174,179,227,248],"cold-start":[15,129,234],"recommendation":[16,235,243],"problem.":[17],"In":[18,118],"these":[19],"meta-learning-based":[20,255],"methods,":[21],"recommendations":[22,130],"individual":[24],"users":[25],"are":[26,168],"typically":[27],"treated":[28],"separate":[30],"tasks":[31,127,158,166],"and":[32,63,98,131,171,184,212,245],"learned":[33],"independently.":[34],"However,":[35],"this":[36,119],"task-by-task":[37],"learning":[38,45,206],"paradigm":[39],"presents":[40],"several":[41],"observable":[42],"limitations.":[43],"First,":[44],"one":[46],"task":[47,83,147],"at":[48],"time":[50],"ignores":[51],"inter-task":[52],"correlations,":[53],"i.e.,":[54,85],"collaborative":[55,138,146,190,209],"signals,":[56],"which":[57,93],"limits":[58],"meta-model's":[60],"receptive":[61],"field":[62],"prevents":[64],"it":[65],"from":[66,182],"leveraging":[67],"valuable":[68],"shared":[69],"information,":[70],"ultimately":[71],"leading":[72],"to":[73,81,151,173,188,207],"subpar":[74],"performance.":[75],"Second,":[76],"meta-model":[78,160,180],"is":[79,260],"susceptible":[80],"distribution,":[84],"varied":[87],"preference":[88],"distributions":[89],"among":[90,125],"different":[91,126],"users,":[92],"in":[94,101,128,242,253],"turn":[95],"introduces":[96],"biases":[97],"inconsistencies,":[99],"resulting":[100],"less":[103],"robust":[104],"model":[105],"that":[106,167,178],"may":[107],"perform":[108],"well":[109],"on":[110,116,221],"certain":[111],"user":[112,214],"groups":[113],"while":[114],"underperforming":[115],"others.":[117],"paper,":[120],"we":[121,143,195],"explore":[122],"correlations":[124],"develop":[132],"novel":[134],"strategy":[135,203],"termed":[136],"cross-task":[137,199,251],"(CCML).":[140],"More":[141],"specifically,":[142],"propose":[144],"sampling":[148],"module":[149,163],"designed":[150],"mitigate":[152],"adverse":[154],"impact":[155],"of":[156,229,250],"irrelevant":[157],"during":[159],"learning.":[161],"This":[162,202],"adaptively":[164],"identifies":[165],"both":[169],"similar":[170],"beneficial":[172],"primary":[175],"task,":[176],"ensuring":[177],"learns":[181],"relevant":[183,193],"supportive":[185],"information.":[186,218],"Additionally,":[187],"harness":[189],"information":[191],"across":[192],"tasks,":[194],"introduce":[196],"bi-level":[198],"meta-training":[200],"strategy.":[201],"leverages":[204],"multi-task":[205],"capture":[208],"knowledge":[210],"simultaneously":[211],"enhance":[213],"profiling":[215],"with":[216],"pertinent":[217],"Extensive":[219],"experiments":[220],"four":[222],"public":[223],"benchmark":[224],"datasets":[225],"demonstrate":[226],"advantages":[228],"CCML":[230],"over":[231],"many":[232],"state-of-the-art":[233],"methods.":[236],"Our":[237],"results":[238],"show":[239],"significant":[240],"improvements":[241],"accuracy":[244],"robustness,":[246],"highlighting":[247],"potential":[249],"collaboration":[252],"enhancing":[254],"recommender":[256],"systems.":[257],"The":[258],"code":[259],"available":[261],"athttps://anonymous.4open.science/r/CCML-F064.":[262]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}