{"id":"https://openalex.org/W2077586806","doi":"https://doi.org/10.4018/ijwsr.2014100103","title":"Improving Recommendation Accuracy and Diversity via Multiple Social Factors and Social Circles","display_name":"Improving Recommendation Accuracy and Diversity via Multiple Social Factors and Social Circles","publication_year":2014,"publication_date":"2014-10-01","ids":{"openalex":"https://openalex.org/W2077586806","doi":"https://doi.org/10.4018/ijwsr.2014100103","mag":"2077586806"},"language":"en","primary_location":{"id":"doi:10.4018/ijwsr.2014100103","is_oa":false,"landing_page_url":"https://doi.org/10.4018/ijwsr.2014100103","pdf_url":null,"source":{"id":"https://openalex.org/S119470311","display_name":"International Journal of Web Services Research","issn_l":"1545-7362","issn":["1545-7362","1546-5004"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320424","host_organization_name":"IGI Global","host_organization_lineage":["https://openalex.org/P4310320424"],"host_organization_lineage_names":["IGI Global"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Web Services Research","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/A5044170543","display_name":"Yong Feng","orcid":"https://orcid.org/0000-0002-8820-8388"},"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":"Yong Feng","raw_affiliation_strings":["Key Laboratory of Dependable Service Computing in Cyber Physical Society, Ministry of Education, Chongqing University, Chongqing, China, & College of Computer Science, Chongqing University, Chongqing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Dependable Service Computing in Cyber Physical Society, Ministry of Education, Chongqing University, Chongqing, China, & College of Computer Science, Chongqing University, Chongqing, China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100338809","display_name":"Heng Li","orcid":"https://orcid.org/0000-0002-6666-0277"},"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":"Heng Li","raw_affiliation_strings":["Key Laboratory of Dependable Service Computing in Cyber Physical Society, Ministry of Education, Chongqing University, Chongqing, China, & College of Computer Science, Chongqing University, Chongqing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Dependable Service Computing in Cyber Physical Society, Ministry of Education, Chongqing University, Chongqing, China, & College of Computer Science, Chongqing University, Chongqing, China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066165708","display_name":"Zhuo Chen","orcid":"https://orcid.org/0000-0002-5607-0046"},"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":"Zhuo Chen","raw_affiliation_strings":["Key Laboratory of Dependable Service Computing in Cyber Physical Society, Ministry of Education, Chongqing University, Chongqing, China, & College of Computer Science, Chongqing University, Chongqing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Dependable Service Computing in Cyber Physical Society, Ministry of Education, Chongqing University, Chongqing, China, & College of Computer Science, Chongqing University, Chongqing, China","institution_ids":["https://openalex.org/I158842170"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I158842170"],"apc_list":null,"apc_paid":null,"fwci":0.8086,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.82802967,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"11","issue":"4","first_page":"32","last_page":"46"},"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/T13274","display_name":"Expert finding and Q&A systems","score":0.9919000267982483,"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/T10064","display_name":"Complex Network Analysis Techniques","score":0.9848999977111816,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8156676292419434},{"id":"https://openalex.org/keywords/closeness","display_name":"Closeness","score":0.6842744946479797},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.679027795791626},{"id":"https://openalex.org/keywords/popularity","display_name":"Popularity","score":0.6443179845809937},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.6246142387390137},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.5962488055229187},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5125594139099121},{"id":"https://openalex.org/keywords/diversity","display_name":"Diversity (politics)","score":0.4750661551952362},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.44188937544822693},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.41893020272254944},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.41863611340522766},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3915506601333618},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.37844812870025635},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33361560106277466},{"id":"https://openalex.org/keywords/social-psychology","display_name":"Social psychology","score":0.08069583773612976},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.07319873571395874}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8156676292419434},{"id":"https://openalex.org/C2779545769","wikidata":"https://www.wikidata.org/wiki/Q5135364","display_name":"Closeness","level":2,"score":0.6842744946479797},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.679027795791626},{"id":"https://openalex.org/C2780586970","wikidata":"https://www.wikidata.org/wiki/Q1357284","display_name":"Popularity","level":2,"score":0.6443179845809937},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.6246142387390137},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.5962488055229187},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5125594139099121},{"id":"https://openalex.org/C2781316041","wikidata":"https://www.wikidata.org/wiki/Q1230584","display_name":"Diversity (politics)","level":2,"score":0.4750661551952362},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.44188937544822693},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.41893020272254944},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.41863611340522766},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3915506601333618},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.37844812870025635},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33361560106277466},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.08069583773612976},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.07319873571395874},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","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},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.4018/ijwsr.2014100103","is_oa":false,"landing_page_url":"https://doi.org/10.4018/ijwsr.2014100103","pdf_url":null,"source":{"id":"https://openalex.org/S119470311","display_name":"International Journal of Web Services Research","issn_l":"1545-7362","issn":["1545-7362","1546-5004"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320424","host_organization_name":"IGI Global","host_organization_lineage":["https://openalex.org/P4310320424"],"host_organization_lineage_names":["IGI Global"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Web Services Research","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:igg:jwsr00:v:11:y:2014:i:4:p:32-46","is_oa":false,"landing_page_url":"https://services.igi-global.com/resolvedoi/resolve.aspx?doi=10.4018/IJWSR.2014100103","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"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":"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"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1966261380","https://openalex.org/W1987235421","https://openalex.org/W1999380327","https://openalex.org/W2002826740","https://openalex.org/W2009853191","https://openalex.org/W2038876300","https://openalex.org/W2043403353","https://openalex.org/W2057763140","https://openalex.org/W2066636486","https://openalex.org/W2093219534","https://openalex.org/W2102943624","https://openalex.org/W2107532769","https://openalex.org/W2135598826","https://openalex.org/W2137245235","https://openalex.org/W2144487656","https://openalex.org/W2145770959","https://openalex.org/W2151451758"],"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/W4376854386","https://openalex.org/W2202724490"],"abstract_inverted_index":{"Recommender":[0],"systems":[1],"(RS)":[2],"have":[3,34,43,170],"been":[4,35,45,172],"widely":[5],"employed":[6],"to":[7,12,37,77,116,130],"suggest":[8],"personalized":[9],"online":[10,22],"information":[11,15,169],"simplify":[13],"user's":[14],"discovery":[16],"process.":[17],"With":[18],"the":[19,51,59,110,122,132,138,152,163],"popularity":[20],"of":[21,28,61,134,143],"social":[23,29,32,64,83,119,128,168],"networks,":[24],"analysis":[25],"and":[26,31,66,72,93,126,160],"mining":[27],"factors":[30,65],"circles":[33,129],"utilized":[36],"support":[38],"more":[39,62],"effective":[40],"recommendations,":[41],"but":[42],"not":[44,171],"fully":[46,173],"investigated.":[47],"In":[48],"this":[49],"paper,":[50],"authors":[52,111,123,139],"propose":[53],"a":[54,141],"novel":[55],"recommendation":[56,80,102,135],"model":[57,103,154],"with":[58],"consideration":[60],"comprehensive":[63],"topics":[67],"that":[68],"user":[69],"is":[70],"explicitly":[71],"implicitly":[73],"interested":[74],"in.":[75],"Concretely,":[76],"further":[78],"enhance":[79,131],"accuracy,":[81],"four":[82],"factors,":[84],"individual":[85],"preference,":[86],"interpersonal":[87,90,94],"trust":[88],"influence,":[89],"interest":[91],"similarity":[92],"closeness":[95],"degree,":[96],"are":[97],"simultaneously":[98],"injected":[99],"into":[100],"our":[101],"based":[104],"on":[105,145],"probabilistic":[106],"matrix":[107],"factorization.":[108],"Meanwhile,":[109],"explore":[112],"several":[113],"new":[114],"methods":[115],"measure":[117],"these":[118],"factors.":[120],"Moreover,":[121],"infer":[124],"explicit":[125],"implicit":[127],"performance":[133,158],"diversity.":[136],"Finally,":[137],"conduct":[140],"series":[142],"experiments":[144],"publicly":[146],"available":[147],"data.":[148],"Experimental":[149],"results":[150],"show":[151],"proposed":[153],"achieves":[155],"significantly":[156],"improved":[157],"(accuracy":[159],"diversity)":[161],"over":[162],"existing":[164],"models":[165],"in":[166],"which":[167],"considered.":[174]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-06-11T06:19:23.411458","created_date":"2025-10-10T00:00:00"}
