{"id":"https://openalex.org/W2000841954","doi":"https://doi.org/10.1145/2668113","title":"Introduction to the Special Issue on Diversity and Discovery in Recommender Systems","display_name":"Introduction to the Special Issue on Diversity and Discovery in Recommender Systems","publication_year":2014,"publication_date":"2014-12-15","ids":{"openalex":"https://openalex.org/W2000841954","doi":"https://doi.org/10.1145/2668113","mag":"2000841954"},"language":"en","primary_location":{"id":"doi:10.1145/2668113","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2668113","pdf_url":null,"source":{"id":"https://openalex.org/S2492086750","display_name":"ACM Transactions on Intelligent Systems and Technology","issn_l":"2157-6904","issn":["2157-6904","2157-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Intelligent Systems and Technology","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/A5052940596","display_name":"Pablo Castells","orcid":"https://orcid.org/0000-0003-0668-6317"},"institutions":[{"id":"https://openalex.org/I63634437","display_name":"Universidad Aut\u00f3noma de Madrid","ror":"https://ror.org/01cby8j38","country_code":"ES","type":"education","lineage":["https://openalex.org/I63634437"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Pablo Castells","raw_affiliation_strings":["Universidad Aut\u00f3noma de Madrid"],"affiliations":[{"raw_affiliation_string":"Universidad Aut\u00f3noma de Madrid","institution_ids":["https://openalex.org/I63634437"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100384677","display_name":"Jun Wang","orcid":"https://orcid.org/0000-0002-0481-5341"},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]},{"id":"https://openalex.org/I2800173700","display_name":"UCL Australia","ror":"https://ror.org/024atcf19","country_code":"AU","type":"education","lineage":["https://openalex.org/I2800173700"]}],"countries":["AU","GB"],"is_corresponding":false,"raw_author_name":"Jun Wang","raw_affiliation_strings":["University College London","University college London"],"affiliations":[{"raw_affiliation_string":"University College London","institution_ids":["https://openalex.org/I45129253"]},{"raw_affiliation_string":"University college London","institution_ids":["https://openalex.org/I2800173700"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017742384","display_name":"Rub\u00e9n Lara","orcid":"https://orcid.org/0000-0001-7258-8665"},"institutions":[{"id":"https://openalex.org/I4210134591","display_name":"Telefonica Research and Development","ror":"https://ror.org/03qgzzb04","country_code":"ES","type":"company","lineage":["https://openalex.org/I4210097190","https://openalex.org/I4210134591"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Rub\u00e9n Lara","raw_affiliation_strings":["Telef\u00f3nica Digital"],"affiliations":[{"raw_affiliation_string":"Telef\u00f3nica Digital","institution_ids":["https://openalex.org/I4210134591"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015784640","display_name":"Dell Zhang","orcid":"https://orcid.org/0000-0002-8774-3725"},"institutions":[{"id":"https://openalex.org/I98259816","display_name":"Birkbeck, University of London","ror":"https://ror.org/02mb95055","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I98259816"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Dell Zhang","raw_affiliation_strings":["Birkbeck, University of London"],"affiliations":[{"raw_affiliation_string":"Birkbeck, University of London","institution_ids":["https://openalex.org/I98259816"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5052940596"],"corresponding_institution_ids":["https://openalex.org/I63634437"],"apc_list":null,"apc_paid":null,"fwci":1.5778,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.8740871,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"5","issue":"4","first_page":"1","last_page":"3"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9983000159263611,"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"}},{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","score":0.973800003528595,"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/citation","display_name":"Citation","score":0.7860755920410156},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7182108163833618},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.5926278829574585},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.4900623559951782},{"id":"https://openalex.org/keywords/diversity","display_name":"Diversity (politics)","score":0.46999773383140564},{"id":"https://openalex.org/keywords/zh\u00e0ng","display_name":"Zh\u00e0ng","score":0.43202081322669983},{"id":"https://openalex.org/keywords/library-science","display_name":"Library science","score":0.3800578713417053},{"id":"https://openalex.org/keywords/history","display_name":"History","score":0.16994547843933105},{"id":"https://openalex.org/keywords/sociology","display_name":"Sociology","score":0.08095145225524902},{"id":"https://openalex.org/keywords/china","display_name":"China","score":0.06075134873390198}],"concepts":[{"id":"https://openalex.org/C2778805511","wikidata":"https://www.wikidata.org/wiki/Q1713","display_name":"Citation","level":2,"score":0.7860755920410156},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7182108163833618},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.5926278829574585},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.4900623559951782},{"id":"https://openalex.org/C2781316041","wikidata":"https://www.wikidata.org/wiki/Q1230584","display_name":"Diversity (politics)","level":2,"score":0.46999773383140564},{"id":"https://openalex.org/C2777045944","wikidata":"https://www.wikidata.org/wiki/Q12170198","display_name":"Zh\u00e0ng","level":3,"score":0.43202081322669983},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.3800578713417053},{"id":"https://openalex.org/C95457728","wikidata":"https://www.wikidata.org/wiki/Q309","display_name":"History","level":0,"score":0.16994547843933105},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.08095145225524902},{"id":"https://openalex.org/C191935318","wikidata":"https://www.wikidata.org/wiki/Q148","display_name":"China","level":2,"score":0.06075134873390198},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C19165224","wikidata":"https://www.wikidata.org/wiki/Q23404","display_name":"Anthropology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2668113","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2668113","pdf_url":null,"source":{"id":"https://openalex.org/S2492086750","display_name":"ACM Transactions on Intelligent Systems and Technology","issn_l":"2157-6904","issn":["2157-6904","2157-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Intelligent Systems and Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1967787801","https://openalex.org/W1971040550","https://openalex.org/W1993320088","https://openalex.org/W2011700584","https://openalex.org/W2023188792","https://openalex.org/W2049670925","https://openalex.org/W2108630796","https://openalex.org/W2111094216","https://openalex.org/W2118545189","https://openalex.org/W2132314908","https://openalex.org/W2144807535","https://openalex.org/W2155912844","https://openalex.org/W2159155347","https://openalex.org/W3125944471"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2883909875","https://openalex.org/W2968745142","https://openalex.org/W2809363009","https://openalex.org/W2369936857","https://openalex.org/W2348159088","https://openalex.org/W2316860054","https://openalex.org/W2117346966","https://openalex.org/W2525876841","https://openalex.org/W2045871438"],"abstract_inverted_index":{"introduction":[0],"Share":[1],"on":[2,8,63,119],"Introduction":[3],"to":[4,130,134,136],"the":[5,120],"Special":[6],"Issue":[7],"Diversity":[9],"and":[10,66,96],"Discovery":[11],"in":[12,129],"Recommender":[13],"Systems":[14,65],"Authors:":[15],"Pablo":[16],"Castells":[17],"Universidad":[18,22],"Aut\u00f3noma":[19,23],"de":[20,24],"Madrid":[21],"MadridView":[25],"Profile":[26,36,44,56],",":[27,37,45],"Jun":[28],"Wang":[29],"University":[30,33,49,53],"College":[31,34],"London":[32,51],"LondonView":[35,55],"Rub\u00e9n":[38],"Lara":[39],"Telef\u00f3nica":[40,42],"Digital":[41],"DigitalView":[43],"Dell":[46],"Zhang":[47],"Birkbeck,":[48,52],"of":[50,54],"Authors":[57],"Info":[58],"&":[59],"Claims":[60],"ACM":[61],"Transactions":[62],"Intelligent":[64],"TechnologyVolume":[67],"5Issue":[68],"4January":[69],"2015":[70],"Article":[71],"No.:":[72],"52pp":[73],"1\u20133https://doi.org/10.1145/2668113Online:15":[74],"December":[75],"2014Publication":[76],"History":[77],"4citation289DownloadsMetricsTotal":[78],"Citations4Total":[79],"Downloads289Last":[80],"12":[81],"Months4Last":[82],"6":[83],"weeks2":[84],"Get":[85],"Citation":[86,88,126],"AlertsNew":[87],"Alert":[89],"added!This":[90],"alert":[91,116],"has":[92,111],"been":[93,112],"successfully":[94],"added":[95],"will":[97,101],"be":[98,102],"sent":[99],"to:You":[100],"notified":[103],"whenever":[104],"a":[105,138],"record":[106],"that":[107],"you":[108],"have":[109],"chosen":[110],"cited.To":[113],"manage":[114],"your":[115,131],"preferences,":[117],"click":[118],"button":[121],"below.Manage":[122],"my":[123],"Alerts":[124],"New":[125,139],"Alert!Please":[127],"log":[128],"account":[132],"Save":[133],"BinderSave":[135],"BinderCreate":[137],"BinderNameCancelCreateExport":[140],"CitationPublisher":[141],"SiteGet":[142],"Access":[143]},"counts_by_year":[{"year":2021,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}