{"id":"https://openalex.org/W1527292425","doi":"https://doi.org/10.48550/arxiv.1503.01647","title":"Decentralized Recommender Systems","display_name":"Decentralized Recommender Systems","publication_year":2015,"publication_date":"2015-03-05","ids":{"openalex":"https://openalex.org/W1527292425","doi":"https://doi.org/10.48550/arxiv.1503.01647","mag":"1527292425"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:1503.01647","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/1503.01647","pdf_url":"https://arxiv.org/pdf/1503.01647","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1503.01647","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Wang, Zhangyang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]},{"id":"https://openalex.org/I2801919071","display_name":"University of Illinois System","ror":"https://ror.org/05e94g991","country_code":"US","type":"education","lineage":["https://openalex.org/I2801919071"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wang, Zhangyang","raw_affiliation_strings":["Beckman Institute , University of Illinois at Urbana-Champaign , IL 61821 "],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beckman Institute , University of Illinois at Urbana-Champaign , IL 61821 ","institution_ids":["https://openalex.org/I157725225","https://openalex.org/I2801919071"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100654390","display_name":"Xianming Liu","orcid":"https://orcid.org/0000-0002-8857-1785","observed_orcids":["https://orcid.org/0000-0002-8857-1785"]},"institutions":[{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]},{"id":"https://openalex.org/I2801919071","display_name":"University of Illinois System","ror":"https://ror.org/05e94g991","country_code":"US","type":"education","lineage":["https://openalex.org/I2801919071"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Liu, Xianming","raw_affiliation_strings":["Beckman Institute , University of Illinois at Urbana-Champaign , IL 61821 "],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beckman Institute , University of Illinois at Urbana-Champaign , IL 61821 ","institution_ids":["https://openalex.org/I157725225","https://openalex.org/I2801919071"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112248869","display_name":"Shiyu Chang","orcid":"https://orcid.org/0009-0006-2943-375X","observed_orcids":["https://orcid.org/0009-0006-2943-375X"]},"institutions":[{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]},{"id":"https://openalex.org/I2801919071","display_name":"University of Illinois System","ror":"https://ror.org/05e94g991","country_code":"US","type":"education","lineage":["https://openalex.org/I2801919071"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chang, Shiyu","raw_affiliation_strings":["Beckman Institute , University of Illinois at Urbana-Champaign , IL 61821 "],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beckman Institute , University of Illinois at Urbana-Champaign , IL 61821 ","institution_ids":["https://openalex.org/I157725225","https://openalex.org/I2801919071"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047215778","display_name":"Jiayu Zhou","orcid":"https://orcid.org/0000-0003-4336-6777","observed_orcids":["https://orcid.org/0000-0003-4336-6777"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhou, Jiayu","raw_affiliation_strings":["Samsung Research America , San Jose , CA 95134"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Samsung Research America , San Jose , CA 95134","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100766907","display_name":"Guo-Jun Qi","orcid":"https://orcid.org/0000-0003-3508-1851","observed_orcids":["https://orcid.org/0000-0003-3508-1851"]},"institutions":[{"id":"https://openalex.org/I106165777","display_name":"University of Central Florida","ror":"https://ror.org/036nfer12","country_code":"US","type":"education","lineage":["https://openalex.org/I106165777"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Qi, Guo-Jun","raw_affiliation_strings":["University of Central Florida , Orlando , FL , 32816 , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Central Florida , Orlando , FL , 32816 , USA","institution_ids":["https://openalex.org/I106165777"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101457342","display_name":"Thomas S. Huang","orcid":"https://orcid.org/0000-0001-8474-5859","observed_orcids":["https://orcid.org/0000-0001-8474-5859"]},"institutions":[{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]},{"id":"https://openalex.org/I2801919071","display_name":"University of Illinois System","ror":"https://ror.org/05e94g991","country_code":"US","type":"education","lineage":["https://openalex.org/I2801919071"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Huang, Thomas S.","raw_affiliation_strings":["Beckman Institute , University of Illinois at Urbana-Champaign , IL 61821 "],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beckman Institute , University of Illinois at Urbana-Champaign , IL 61821 ","institution_ids":["https://openalex.org/I157725225","https://openalex.org/I2801919071"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9955999851226807,"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":0.9955999851226807,"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.0015999999595806003,"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/T10249","display_name":"Distributed Control Multi-Agent Systems","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/collaborative-filtering","display_name":"collaborative filtering","score":0.9850000143051147},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"distributed computing","score":0.7289999723434448},{"id":"https://openalex.org/keywords/user-privacy","display_name":"user privacy","score":0.8349999785423279},{"id":"https://openalex.org/keywords/scalability","display_name":"scalability","score":0.9150000214576721},{"id":"https://openalex.org/keywords/robustness","display_name":"robustness","score":0.9610000252723694}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8256213068962097},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.8238654136657715},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.7652972936630249},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.7398772835731506},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.5834099054336548},{"id":"https://openalex.org/C205875254","wikidata":"https://www.wikidata.org/wiki/Q17156857","display_name":"Decentralised system","level":3,"score":0.48781493306159973},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.48645827174186707},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4300379753112793},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.4179448187351227},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3551836609840393},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.25685039162635803},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.20904502272605896},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.18729299306869507},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.17659351229667664},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:1503.01647","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/1503.01647","pdf_url":"https://arxiv.org/pdf/1503.01647","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.1503.01647","doi":"https://doi.org/10.48550/arxiv.1503.01647","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1503.01647","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1503.01647","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/1503.01647","pdf_url":"https://arxiv.org/pdf/1503.01647","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1964927113","https://openalex.org/W2052530028","https://openalex.org/W2054141820","https://openalex.org/W2106715795","https://openalex.org/W2115554270","https://openalex.org/W2117592368","https://openalex.org/W2123705108","https://openalex.org/W2135790056","https://openalex.org/W2137245235","https://openalex.org/W2543628786"],"related_works":["https://openalex.org/W4309091607","https://openalex.org/W2342498029","https://openalex.org/W2597566677","https://openalex.org/W4416017620","https://openalex.org/W2158149086","https://openalex.org/W2973141328","https://openalex.org/W4406960632","https://openalex.org/W1552024526","https://openalex.org/W7097002854","https://openalex.org/W2079372328"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3,16,22,28,60,93],"decentralized":[4,17,89],"recommender":[5],"system":[6,58],"by":[7],"formulating":[8],"the":[9,51,56,82,88],"popular":[10],"collaborative":[11],"filleting":[12],"(CF)":[13],"model":[14],"into":[15],"matrix":[18],"completion":[19],"form":[20],"over":[21],"set":[23],"of":[24,55],"users.":[25],"In":[26],"such":[27],"way,":[29],"data":[30],"storages":[31],"and":[32,47,70,85],"computations":[33],"are":[34],"fully":[35],"distributed.":[36],"Each":[37],"user":[38,63],"could":[39],"exchange":[40],"limited":[41],"information":[42],"with":[43,77],"its":[44],"local":[45],"neighborhood,":[46],"thus":[48],"it":[49],"avoids":[50],"centralized":[52],"fusion.":[53],"Advantages":[54],"proposed":[57,75],"include":[59],"protection":[61],"on":[62,81],"privacy,":[64],"as":[65,67],"well":[66],"better":[68],"scalability":[69],"robustness.":[71],"We":[72],"compare":[73],"our":[74],"algorithm":[76,90],"several":[78],"state-of-the-art":[79],"algorithms":[80],"FlickerUserFavor":[83],"dataset,":[84],"demonstrate":[86],"that":[87],"can":[91],"gain":[92],"competitive":[94],"performance":[95],"to":[96],"others.":[97]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2016-06-24T00:00:00"}
