{"id":"https://openalex.org/W1967955538","doi":"https://doi.org/10.1145/2501977","title":"Cluster-Based Collaborative Filtering for Sign Prediction in Social Networks with Positive and Negative Links","display_name":"Cluster-Based Collaborative Filtering for Sign Prediction in Social Networks with Positive and Negative Links","publication_year":2014,"publication_date":"2014-04-01","ids":{"openalex":"https://openalex.org/W1967955538","doi":"https://doi.org/10.1145/2501977","mag":"1967955538"},"language":"en","primary_location":{"id":"doi:10.1145/2501977","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2501977","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":true,"oa_status":"green","oa_url":"https://figshare.com/articles/journal_contribution/Cluster-based_collaborative_filtering_for_sign_prediction_in_social_networks_with_positive_and_negative_links/27467940","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5012977185","display_name":"Amin Javari","orcid":"https://orcid.org/0000-0001-7545-5462"},"institutions":[{"id":"https://openalex.org/I133529467","display_name":"Sharif University of Technology","ror":"https://ror.org/024c2fq17","country_code":"IR","type":"education","lineage":["https://openalex.org/I133529467"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Amin Javari","raw_affiliation_strings":["Sharif University of Technology, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sharif University of Technology, Iran","institution_ids":["https://openalex.org/I133529467"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030903468","display_name":"Mahdi Jalili","orcid":"https://orcid.org/0000-0002-0517-9420"},"institutions":[{"id":"https://openalex.org/I133529467","display_name":"Sharif University of Technology","ror":"https://ror.org/024c2fq17","country_code":"IR","type":"education","lineage":["https://openalex.org/I133529467"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Mahdi Jalili","raw_affiliation_strings":["Sharif University of Technology, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sharif University of Technology, Iran","institution_ids":["https://openalex.org/I133529467"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I133529467"],"apc_list":null,"apc_paid":null,"fwci":7.7846,"has_fulltext":false,"cited_by_count":76,"citation_normalized_percentile":{"value":0.97936154,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":100},"biblio":{"volume":"5","issue":"2","first_page":"1","last_page":"19"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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/T12592","display_name":"Opinion Dynamics and Social Influence","score":0.9987999796867371,"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/T11273","display_name":"Advanced Graph Neural Networks","score":0.9891999959945679,"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/computer-science","display_name":"Computer science","score":0.832073450088501},{"id":"https://openalex.org/keywords/distrust","display_name":"Distrust","score":0.7083221077919006},{"id":"https://openalex.org/keywords/friendship","display_name":"Friendship","score":0.7040496468544006},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.5904040336608887},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.5873293280601501},{"id":"https://openalex.org/keywords/sign","display_name":"Sign (mathematics)","score":0.5352896451950073},{"id":"https://openalex.org/keywords/social-network","display_name":"Social network (sociolinguistics)","score":0.5125701427459717},{"id":"https://openalex.org/keywords/cluster","display_name":"Cluster (spacecraft)","score":0.5119620561599731},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.49612340331077576},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4023439586162567},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3811354637145996},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.35349053144454956},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.32930243015289307},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.21426260471343994},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.11239451169967651},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10184875130653381},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.08978492021560669}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.832073450088501},{"id":"https://openalex.org/C2778321746","wikidata":"https://www.wikidata.org/wiki/Q621922","display_name":"Distrust","level":2,"score":0.7083221077919006},{"id":"https://openalex.org/C2778736484","wikidata":"https://www.wikidata.org/wiki/Q491","display_name":"Friendship","level":2,"score":0.7040496468544006},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.5904040336608887},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.5873293280601501},{"id":"https://openalex.org/C139676723","wikidata":"https://www.wikidata.org/wiki/Q1193832","display_name":"Sign (mathematics)","level":2,"score":0.5352896451950073},{"id":"https://openalex.org/C4727928","wikidata":"https://www.wikidata.org/wiki/Q17164759","display_name":"Social network (sociolinguistics)","level":3,"score":0.5125701427459717},{"id":"https://openalex.org/C164866538","wikidata":"https://www.wikidata.org/wiki/Q367351","display_name":"Cluster (spacecraft)","level":2,"score":0.5119620561599731},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.49612340331077576},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4023439586162567},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3811354637145996},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.35349053144454956},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.32930243015289307},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.21426260471343994},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.11239451169967651},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10184875130653381},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.08978492021560669},{"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/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"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/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1145/2501977","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2501977","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"},{"id":"pmh:oai:researchbank.rmit.edu.au:rmit:24464","is_oa":false,"landing_page_url":"http://researchbank.rmit.edu.au/view/rmit:24464","pdf_url":null,"source":{"id":"https://openalex.org/S4306402074","display_name":"RMIT Research Repository (RMIT University Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I82951845","host_organization_name":"RMIT University","host_organization_lineage":["https://openalex.org/I82951845"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"},{"id":"pmh:oai:alma.61RMIT_INST:11247065060001341","is_oa":false,"landing_page_url":"http://doi.org/10.1145/2501977","pdf_url":null,"source":{"id":"https://openalex.org/S4306402074","display_name":"RMIT Research Repository (RMIT University Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I82951845","host_organization_name":"RMIT University","host_organization_lineage":["https://openalex.org/I82951845"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},{"id":"pmh:oai:figshare.com:article/27467940","is_oa":true,"landing_page_url":"https://figshare.com/articles/journal_contribution/Cluster-based_collaborative_filtering_for_sign_prediction_in_social_networks_with_positive_and_negative_links/27467940","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"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"}],"best_oa_location":{"id":"pmh:oai:figshare.com:article/27467940","is_oa":true,"landing_page_url":"https://figshare.com/articles/journal_contribution/Cluster-based_collaborative_filtering_for_sign_prediction_in_social_networks_with_positive_and_negative_links/27467940","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"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":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.6399999856948853}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W120301130","https://openalex.org/W977705565","https://openalex.org/W1964537599","https://openalex.org/W1971040550","https://openalex.org/W1971421925","https://openalex.org/W1979104937","https://openalex.org/W1980175398","https://openalex.org/W1980202081","https://openalex.org/W1992742427","https://openalex.org/W1999047234","https://openalex.org/W2000159446","https://openalex.org/W2000929155","https://openalex.org/W2003127754","https://openalex.org/W2008620264","https://openalex.org/W2030291207","https://openalex.org/W2042281163","https://openalex.org/W2049607688","https://openalex.org/W2053081145","https://openalex.org/W2070722739","https://openalex.org/W2070882870","https://openalex.org/W2073415627","https://openalex.org/W2079335968","https://openalex.org/W2083970309","https://openalex.org/W2097216034","https://openalex.org/W2108614537","https://openalex.org/W2112090702","https://openalex.org/W2113273124","https://openalex.org/W2114051435","https://openalex.org/W2122710250","https://openalex.org/W2128269848","https://openalex.org/W2138126900","https://openalex.org/W2142517301","https://openalex.org/W2143245657","https://openalex.org/W2144780381","https://openalex.org/W2164727176","https://openalex.org/W2165190056","https://openalex.org/W2169495811","https://openalex.org/W2169757306","https://openalex.org/W2420733993","https://openalex.org/W2545446346","https://openalex.org/W3037819556","https://openalex.org/W3098354597","https://openalex.org/W4298299405"],"related_works":["https://openalex.org/W2155055595","https://openalex.org/W1484355083","https://openalex.org/W2341700843","https://openalex.org/W4220714703","https://openalex.org/W2170391450","https://openalex.org/W2735929803","https://openalex.org/W2098758514","https://openalex.org/W3008845055","https://openalex.org/W2041004656","https://openalex.org/W2202724490"],"abstract_inverted_index":{"Social":[0],"network":[1,113],"analysis":[2],"and":[3,21,35,72,80,102,119,137,174,220,223],"mining":[4],"get":[5],"ever-increasingly":[6],"important":[7,70],"in":[8,23,65,84,98,193,233],"recent":[9],"years,":[10],"which":[11],"is":[12,31,68,107,157],"mainly":[13],"due":[14],"to":[15,55],"the":[16,60,63,85,112,131,145,172,185,189,208],"availability":[17],"of":[18,28,62,117,133,203],"large":[19],"datasets":[20,205],"advances":[22],"computing":[24],"systems.":[25],"A":[26],"class":[27],"social":[29,218],"networks":[30,67,99],"those":[32,215],"with":[33,50,100,167],"positive":[34,42,101,139,169],"negative":[36,52,103,135,176],"links.":[37,104],"In":[38,87],"such":[39,76,129],"networks,":[40],"a":[41,51,92,115,122,194,201,227],"link":[43],"indicates":[44],"friendship":[45,78],"(or":[46,57],"trust),":[47],"whereas":[48],"links":[49,64,136,140,170,177,190],"sign":[53,61,96],"correspond":[54],"enmity":[56],"distrust).":[58],"Predicting":[59],"these":[66],"an":[69],"issue":[71],"has":[73],"many":[74],"applications,":[75],"as":[77,150,152],"recommendation":[79],"identifying":[81],"malicious":[82],"nodes":[83],"network.":[86],"this":[88,234],"manuscript,":[89],"we":[90],"proposed":[91,209],"new":[93],"method":[94,210],"for":[95],"prediction":[97],"Our":[105,198],"algorithm":[106],"based":[108,216,225],"first":[109],"on":[110,188,200,217,226],"clustering":[111],"into":[114,165],"number":[116,132,202],"clusters":[118,127,146,166,173,186],"then":[120,181],"applying":[121],"collaborative":[123,195],"filtering":[124,196],"algorithm.":[125,197],"The":[126],"are":[128,141,147],"that":[130,143,207],"intra-cluster":[134],"inter-cluster":[138],"minimal,":[142],"is,":[144],"socially":[148,158],"balanced":[149,159],"much":[151],"possible":[153],"(a":[154],"signed":[155],"graph":[156],"if":[160],"it":[161],"can":[162],"be":[163],"divided":[164],"all":[168,175],"inside":[171],"between":[178,184,191],"them).":[179],"We":[180],"used":[182],"similarity":[183],"(based":[187],"them)":[192],"experiments":[199],"real":[204],"showed":[206],"outperformed":[211],"previous":[212],"methods,":[213],"including":[214],"balance":[219],"status":[221],"theories":[222],"one":[224],"machine":[228],"learning":[229],"framework":[230],"(logistic":[231],"regression":[232],"work).":[235]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":5},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":10},{"year":2019,"cited_by_count":14},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":15},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":9},{"year":2014,"cited_by_count":4}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}