{"id":"https://openalex.org/W2126668712","doi":"https://doi.org/10.1145/2043932.2043946","title":"A generalized stochastic block model for recommendation in social rating networks","display_name":"A generalized stochastic block model for recommendation in social rating networks","publication_year":2011,"publication_date":"2011-10-23","ids":{"openalex":"https://openalex.org/W2126668712","doi":"https://doi.org/10.1145/2043932.2043946","mag":"2126668712"},"language":"en","primary_location":{"id":"doi:10.1145/2043932.2043946","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2043932.2043946","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the fifth ACM conference on Recommender systems","raw_type":"proceedings-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/A5036052714","display_name":"Mohsen Jamali","orcid":"https://orcid.org/0000-0002-1750-7591"},"institutions":[{"id":"https://openalex.org/I18014758","display_name":"Simon Fraser University","ror":"https://ror.org/0213rcc28","country_code":"CA","type":"education","lineage":["https://openalex.org/I18014758"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Mohsen Jamali","raw_affiliation_strings":["Simon Fraser University, Vancouver, Canada","Simon-Fraser University, Vancouver, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Simon Fraser University, Vancouver, Canada","institution_ids":["https://openalex.org/I18014758"]},{"raw_affiliation_string":"Simon-Fraser University, Vancouver, Canada","institution_ids":["https://openalex.org/I18014758"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035273938","display_name":"Tianle Huang","orcid":"https://orcid.org/0009-0009-0184-7899"},"institutions":[{"id":"https://openalex.org/I18014758","display_name":"Simon Fraser University","ror":"https://ror.org/0213rcc28","country_code":"CA","type":"education","lineage":["https://openalex.org/I18014758"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Tianle Huang","raw_affiliation_strings":["Simon Fraser University, Vancouver, Canada","Simon-Fraser University, Vancouver, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Simon Fraser University, Vancouver, Canada","institution_ids":["https://openalex.org/I18014758"]},{"raw_affiliation_string":"Simon-Fraser University, Vancouver, Canada","institution_ids":["https://openalex.org/I18014758"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018267399","display_name":"Martin Ester","orcid":"https://orcid.org/0000-0001-7732-2815"},"institutions":[{"id":"https://openalex.org/I18014758","display_name":"Simon Fraser University","ror":"https://ror.org/0213rcc28","country_code":"CA","type":"education","lineage":["https://openalex.org/I18014758"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Martin Ester","raw_affiliation_strings":["Simon Fraser University, Vancouver, Canada","Simon-Fraser University, Vancouver, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Simon Fraser University, Vancouver, Canada","institution_ids":["https://openalex.org/I18014758"]},{"raw_affiliation_string":"Simon-Fraser University, Vancouver, Canada","institution_ids":["https://openalex.org/I18014758"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.1704,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.88175844,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"53","last_page":"60"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.9991999864578247,"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"}},"topics":[{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.9991999864578247,"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"}},{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9991000294685364,"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/T12592","display_name":"Opinion Dynamics and Social Influence","score":0.9988999962806702,"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/cluster-analysis","display_name":"Cluster analysis","score":0.7702069282531738},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7171544432640076},{"id":"https://openalex.org/keywords/stochastic-block-model","display_name":"Stochastic block model","score":0.6687807440757751},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.6429711580276489},{"id":"https://openalex.org/keywords/social-network","display_name":"Social network (sociolinguistics)","score":0.5988637208938599},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.5008254051208496},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.49502867460250854},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.46695929765701294},{"id":"https://openalex.org/keywords/mixture-model","display_name":"Mixture model","score":0.43313854932785034},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.41532349586486816},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.1902080476284027},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1503368616104126}],"concepts":[{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.7702069282531738},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7171544432640076},{"id":"https://openalex.org/C2779982251","wikidata":"https://www.wikidata.org/wiki/Q25053762","display_name":"Stochastic block model","level":3,"score":0.6687807440757751},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.6429711580276489},{"id":"https://openalex.org/C4727928","wikidata":"https://www.wikidata.org/wiki/Q17164759","display_name":"Social network (sociolinguistics)","level":3,"score":0.5988637208938599},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5008254051208496},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.49502867460250854},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.46695929765701294},{"id":"https://openalex.org/C61224824","wikidata":"https://www.wikidata.org/wiki/Q2260434","display_name":"Mixture model","level":2,"score":0.43313854932785034},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.41532349586486816},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.1902080476284027},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1503368616104126},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2043932.2043946","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2043932.2043946","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the fifth ACM conference on Recommender systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W4952878","https://openalex.org/W950821216","https://openalex.org/W1629473008","https://openalex.org/W1880262756","https://openalex.org/W1939407039","https://openalex.org/W1966553486","https://openalex.org/W1971788485","https://openalex.org/W1991442303","https://openalex.org/W2000281623","https://openalex.org/W2054141820","https://openalex.org/W2056609785","https://openalex.org/W2063049279","https://openalex.org/W2084527756","https://openalex.org/W2093219534","https://openalex.org/W2107107106","https://openalex.org/W2114244473","https://openalex.org/W2128891547","https://openalex.org/W2130354913","https://openalex.org/W2133266261","https://openalex.org/W2135598826","https://openalex.org/W2137245235","https://openalex.org/W2153943092","https://openalex.org/W2432978112","https://openalex.org/W4401148544"],"related_works":["https://openalex.org/W4320169517","https://openalex.org/W3006206211","https://openalex.org/W4384201376","https://openalex.org/W1975321310","https://openalex.org/W4391046668","https://openalex.org/W3103168877","https://openalex.org/W3136807397","https://openalex.org/W3137238582","https://openalex.org/W3160515686","https://openalex.org/W3205521290"],"abstract_inverted_index":{"The":[0,96],"rapidly":[1],"increasing":[2],"availability":[3],"of":[4,12,31,33,42,48,75,93,106,161,166,170,190],"online":[5],"social":[6,13,114,132],"networks":[7],"and":[8,24,35,44,150,168,185],"the":[9,29,40,49,79,104,131,136,142,158,164,188,191],"well-known":[10],"effect":[11],"influence":[14,23],"have":[15],"motivated":[16],"research":[17],"on":[18,178],"social-network":[19],"based":[20],"recommenders.":[21],"Social":[22],"selection":[25],"together":[26],"lead":[27],"to":[28,59,72,113,172],"formation":[30],"communities":[32,61],"like-minded":[34],"well":[36,198],"connected":[37],"users.":[38,174],"Exploiting":[39],"clustering":[41,68,82,108],"users":[43,149],"items":[45,151,167],"is":[46,78,88],"one":[47],"most":[50],"important":[51],"approaches":[52],"for":[53,147,194],"model-based":[54],"recommendation.":[55],"Users":[56],"may":[57],"belong":[58],"multiple":[60],"or":[62],"groups,":[63],"but":[64,134],"only":[65,130],"a":[66,91,122],"few":[67],"algorithms":[69,77],"allow":[70],"clusters":[71],"overlap.":[73],"One":[74],"these":[76],"probabilistic":[80],"EM":[81,107],"method,":[83],"which":[84],"assumes":[85],"that":[86,127],"data":[87,112],"generated":[89],"from":[90,109,183],"mixture":[92],"Gaussian":[94],"models.":[95],"mixed":[97,143],"membership":[98,145],"stochastic":[99,124],"block":[100],"model":[101,140],"(MMB)":[102],"transfers":[103],"idea":[105],"conventional,":[110],"non-relational":[111],"network":[115],"data.":[116],"In":[117],"this":[118],"paper,":[119],"we":[120],"introduce":[121],"generalized":[123],"blockmodel":[125],"(GSBM)":[126],"models":[128],"not":[129],"relations":[133],"also":[135],"rating":[137,165,195],"behavior.":[138],"This":[139],"learns":[141],"group":[144],"assignments":[146],"both":[148,163],"in":[152],"an":[153],"SRN.":[154],"GSBM":[155,193],"can":[156],"predict":[157],"future":[159],"behavior":[160],"users,":[162],"creation":[169],"links":[171],"other":[173],"We":[175],"performed":[176],"experiments":[177],"two":[179],"real":[180],"life":[181],"datasets":[182],"Epinions.com":[184],"Flixster.com,":[186],"demonstrating":[187],"accuracy":[189],"proposed":[192],"prediction":[196],"as":[197,199],"link":[200],"prediction.":[201]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
