{"id":"https://openalex.org/W2972495023","doi":"https://doi.org/10.1145/3298689.3347026","title":"Latent factor models and aggregation operators for collaborative filtering in reciprocal recommender systems","display_name":"Latent factor models and aggregation operators for collaborative filtering in reciprocal recommender systems","publication_year":2019,"publication_date":"2019-09-10","ids":{"openalex":"https://openalex.org/W2972495023","doi":"https://doi.org/10.1145/3298689.3347026","mag":"2972495023"},"language":"en","primary_location":{"id":"doi:10.1145/3298689.3347026","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3298689.3347026","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th ACM Conference on Recommender Systems","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/A5022011498","display_name":"James Neve","orcid":null},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"James Neve","raw_affiliation_strings":["University of Bristol, Bristol, England"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Bristol, Bristol, England","institution_ids":["https://openalex.org/I36234482"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037333179","display_name":"Iv\u00e1n Palomares","orcid":"https://orcid.org/0000-0003-4335-9139"},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]},{"id":"https://openalex.org/I4210128584","display_name":"The Alan Turing Institute","ror":"https://ror.org/035dkdb55","country_code":"GB","type":"facility","lineage":["https://openalex.org/I4210128584"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Ivan Palomares","raw_affiliation_strings":["University of Bristol & The Alan Turing Institute, Bristol, England"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Bristol & The Alan Turing Institute, Bristol, England","institution_ids":["https://openalex.org/I36234482","https://openalex.org/I4210128584"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.951,"has_fulltext":false,"cited_by_count":40,"citation_normalized_percentile":{"value":0.94716817,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"219","last_page":"227"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9599999785423279,"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/T11161","display_name":"Consumer Market Behavior and Pricing","score":0.9559999704360962,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.9473073482513428},{"id":"https://openalex.org/keywords/reciprocal","display_name":"Reciprocal","score":0.836491584777832},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8117831945419312},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.7023420333862305},{"id":"https://openalex.org/keywords/factor","display_name":"Factor (programming language)","score":0.6337985992431641},{"id":"https://openalex.org/keywords/preference","display_name":"Preference","score":0.6304129958152771},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.46605002880096436},{"id":"https://openalex.org/keywords/factor-analysis","display_name":"Factor analysis","score":0.4655410051345825},{"id":"https://openalex.org/keywords/mean-reciprocal-rank","display_name":"Mean reciprocal rank","score":0.43530553579330444},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.41110485792160034},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.39010027050971985},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.26199620962142944}],"concepts":[{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.9473073482513428},{"id":"https://openalex.org/C2777742833","wikidata":"https://www.wikidata.org/wiki/Q1964083","display_name":"Reciprocal","level":2,"score":0.836491584777832},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8117831945419312},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.7023420333862305},{"id":"https://openalex.org/C2781039887","wikidata":"https://www.wikidata.org/wiki/Q1391724","display_name":"Factor (programming language)","level":2,"score":0.6337985992431641},{"id":"https://openalex.org/C2781249084","wikidata":"https://www.wikidata.org/wiki/Q908656","display_name":"Preference","level":2,"score":0.6304129958152771},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.46605002880096436},{"id":"https://openalex.org/C10879293","wikidata":"https://www.wikidata.org/wiki/Q726474","display_name":"Factor analysis","level":2,"score":0.4655410051345825},{"id":"https://openalex.org/C44083865","wikidata":"https://www.wikidata.org/wiki/Q3853443","display_name":"Mean reciprocal rank","level":2,"score":0.43530553579330444},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.41110485792160034},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.39010027050971985},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.26199620962142944},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3298689.3347026","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3298689.3347026","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th ACM Conference on Recommender Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:research-information.bris.ac.uk:openaire_cris_publications/94412083-4eed-40d5-b0fe-cfcee79157c7","is_oa":false,"landing_page_url":"https://research-information.bris.ac.uk/en/publications/94412083-4eed-40d5-b0fe-cfcee79157c7","pdf_url":null,"source":{"id":"https://openalex.org/S4306400895","display_name":"Bristol Research (University of Bristol)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I36234482","host_organization_name":"University of Bristol","host_organization_lineage":["https://openalex.org/I36234482"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Neve, J O & Palomares Carrascosa, I 2019, 'Latent factor models and aggregation operators for collaborative filtering in reciprocal recommender systems'.","raw_type":"conferenceObject"},{"id":"pmh:oai:research-information.bris.ac.uk:publications/94412083-4eed-40d5-b0fe-cfcee79157c7","is_oa":false,"landing_page_url":"http://hdl.handle.net/1983/94412083-4eed-40d5-b0fe-cfcee79157c7","pdf_url":null,"source":{"id":"https://openalex.org/S4306400895","display_name":"Bristol Research (University of Bristol)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I36234482","host_organization_name":"University of Bristol","host_organization_lineage":["https://openalex.org/I36234482"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Neve, J O & Palomares Carrascosa, I 2019, 'Latent factor models and aggregation operators for collaborative filtering in reciprocal recommender systems'.","raw_type":"conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W290370860","https://openalex.org/W1511814458","https://openalex.org/W1599154021","https://openalex.org/W1814721328","https://openalex.org/W1832221731","https://openalex.org/W1967174192","https://openalex.org/W1985476803","https://openalex.org/W1994389483","https://openalex.org/W2006323481","https://openalex.org/W2026844232","https://openalex.org/W2042281163","https://openalex.org/W2049249474","https://openalex.org/W2054141820","https://openalex.org/W2054553473","https://openalex.org/W2060878354","https://openalex.org/W2061212083","https://openalex.org/W2090637753","https://openalex.org/W2099866409","https://openalex.org/W2108685212","https://openalex.org/W2110325612","https://openalex.org/W2150886314","https://openalex.org/W2592803138","https://openalex.org/W2603931454","https://openalex.org/W2766857755","https://openalex.org/W2810992711","https://openalex.org/W2893273947","https://openalex.org/W4248672808"],"related_works":["https://openalex.org/W1484355083","https://openalex.org/W2772628444","https://openalex.org/W4220714703","https://openalex.org/W2735929803","https://openalex.org/W2170391450","https://openalex.org/W2098758514","https://openalex.org/W3008845055","https://openalex.org/W2041004656","https://openalex.org/W135044020","https://openalex.org/W4376854386"],"abstract_inverted_index":{"Online":[0],"dating":[1,61],"platforms":[2,52],"help":[3],"to":[4,56,156],"connect":[5,54],"people":[6,55,57],"who":[7],"might":[8],"potentially":[9],"be":[10,195],"a":[11,20,125,138,162],"good":[12],"match":[13],"for":[14,43,128,184],"each":[15],"other.":[16],"They":[17],"have":[18,98,110],"exerted":[19],"significant":[21,163,176],"societal":[22],"impact":[23,164],"over":[24,178],"the":[25,37,89,103,142,152,166,169,190],"last":[26],"decade,":[27],"such":[28],"that":[29,53,85,151,189],"about":[30],"one":[31],"third":[32],"of":[33,91,105,118,141,144,168],"new":[34],"relationships":[35],"in":[36,50,58,84,102],"US":[38],"are":[39,47,68],"now":[40],"started":[41],"online,":[42],"instance.":[44],"Recommender":[45],"Systems":[46],"widely":[48],"utilized":[49],"online":[51,60],"e.g.":[59],"and":[62,81,181,187],"recruitment":[63],"sites.":[64],"These":[65],"recommender":[66,170,206],"approaches":[67,74],"fundamentally":[69],"different":[70,145],"from":[71],"traditional":[72],"user-item":[73,106],"(such":[75],"as":[76,117],"those":[77],"operating":[78],"on":[79,165,198],"movie":[80],"shopping":[82],"sites),":[83],"they":[86,109],"must":[87],"consider":[88],"interests":[90],"both":[92],"parties":[93],"jointly.":[94],"Latent":[95],"factor":[96,133,192],"models":[97],"been":[99,112],"notably":[100],"successful":[101],"area":[104],"recommendation,":[107,186],"however":[108],"not":[111],"investigated":[113],"within":[114],"user-to-user":[115],"domains":[116],"yet.":[119],"In":[120],"this":[121],"study,":[122],"we":[123],"present":[124],"novel":[126],"method":[127],"reciprocal":[129,185,205],"recommendation":[130],"using":[131],"latent":[132,191],"models.":[134],"We":[135],"also":[136],"provide":[137],"first":[139],"analysis":[140],"use":[143],"preference":[146,159],"aggregation":[147,153],"strategies,":[148],"thereby":[149],"demonstrating":[150],"function":[154],"used":[155,196],"combine":[157],"user":[158],"scores":[160],"has":[161],"outcome":[167],"system.":[171],"Our":[172],"evaluation":[173],"results":[174],"report":[175],"improvements":[177],"previous":[179,203],"nearest-neighbour":[180],"content-based":[182],"methods":[183],"show":[188],"model":[193],"can":[194],"effectively":[197],"much":[199],"larger":[200],"datasets":[201],"than":[202],"state-of-the-art":[204],"systems.":[207]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":4},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}