{"id":"https://openalex.org/W3213621292","doi":"https://doi.org/10.1145/3444757.3485105","title":"Trust Modeling in Recommendation","display_name":"Trust Modeling in Recommendation","publication_year":2021,"publication_date":"2021-11-01","ids":{"openalex":"https://openalex.org/W3213621292","doi":"https://doi.org/10.1145/3444757.3485105","mag":"3213621292"},"language":"en","primary_location":{"id":"doi:10.1145/3444757.3485105","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3444757.3485105","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th International Conference on Management of Digital EcoSystems","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/A5082708738","display_name":"Mehmet Utku Demirci","orcid":null},"institutions":[{"id":"https://openalex.org/I201799495","display_name":"Middle East Technical University","ror":"https://ror.org/014weej12","country_code":"TR","type":"education","lineage":["https://openalex.org/I201799495"]}],"countries":["TR"],"is_corresponding":true,"raw_author_name":"Mehmet Utku Demirci","raw_affiliation_strings":["Middle East Technical University (METU), Computer Eng. Dept. Ankara, Turkey"],"affiliations":[{"raw_affiliation_string":"Middle East Technical University (METU), Computer Eng. Dept. Ankara, Turkey","institution_ids":["https://openalex.org/I201799495"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046020736","display_name":"P\u0131nar Karag\u00f6z","orcid":"https://orcid.org/0000-0003-1366-8395"},"institutions":[{"id":"https://openalex.org/I201799495","display_name":"Middle East Technical University","ror":"https://ror.org/014weej12","country_code":"TR","type":"education","lineage":["https://openalex.org/I201799495"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Pinar Karagoz","raw_affiliation_strings":["Middle East Technical University (METU), Computer Eng. Dept. Ankara, Turkey"],"affiliations":[{"raw_affiliation_string":"Middle East Technical University (METU), Computer Eng. Dept. Ankara, Turkey","institution_ids":["https://openalex.org/I201799495"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5082708738"],"corresponding_institution_ids":["https://openalex.org/I201799495"],"apc_list":null,"apc_paid":null,"fwci":0.2754,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.64542178,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"8","last_page":"14"},"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/T11478","display_name":"Caching and Content Delivery","score":0.9958000183105469,"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"}},{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9951000213623047,"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":0.8388347625732422},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.7234930396080017},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.5461190938949585},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.5423283576965332},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.520673394203186},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.4174725413322449},{"id":"https://openalex.org/keywords/social-network","display_name":"Social network (sociolinguistics)","score":0.413188099861145},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3863256573677063},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.37444818019866943},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.261707067489624},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.19931846857070923}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8388347625732422},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.7234930396080017},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.5461190938949585},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.5423283576965332},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.520673394203186},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.4174725413322449},{"id":"https://openalex.org/C4727928","wikidata":"https://www.wikidata.org/wiki/Q17164759","display_name":"Social network (sociolinguistics)","level":3,"score":0.413188099861145},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3863256573677063},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.37444818019866943},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.261707067489624},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.19931846857070923},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"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/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3444757.3485105","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3444757.3485105","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th International Conference on Management of Digital EcoSystems","raw_type":"proceedings-article"},{"id":"pmh:oai:https://open.metu.edu.tr:11511/95429","is_oa":false,"landing_page_url":"http://doi.org/10.1145/3444757.3485105","pdf_url":null,"source":{"id":"https://openalex.org/S4306402495","display_name":"OpenMETU (Middle East Technical University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I201799495","host_organization_name":"Middle East Technical University","host_organization_lineage":["https://openalex.org/I201799495"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"MEDES '21: Proceedings of the 13th International Conference on Management of Digital EcoSystem","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities","score":0.7699999809265137}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1560267311","https://openalex.org/W1971040550","https://openalex.org/W1991055526","https://openalex.org/W2048531216","https://openalex.org/W2066636486","https://openalex.org/W2068399434","https://openalex.org/W2135598826","https://openalex.org/W2138825227","https://openalex.org/W2164998137","https://openalex.org/W2509678028","https://openalex.org/W2533413719","https://openalex.org/W2621465063","https://openalex.org/W2736141399","https://openalex.org/W2757911910","https://openalex.org/W2971600245","https://openalex.org/W2975456726","https://openalex.org/W2997591727","https://openalex.org/W3003213456","https://openalex.org/W3030389054","https://openalex.org/W3035285834","https://openalex.org/W3099939189","https://openalex.org/W3108769702","https://openalex.org/W3154030086"],"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":{"In":[0],"social":[1],"networks,":[2],"trust":[3,120,137,148,161,171,174,184,194,203],"is":[4,19,42,58,74,95,130,154],"a":[5,21,40,173,206,221],"fundamental":[6],"notion":[7,94],"affecting":[8],"the":[9,12,29,54,75,82,91,99,109,119,155,177,188,197,212,215],"nature":[10],"and":[11,87,111,134,159,186,192,210],"strength":[13],"of":[14,23,31,36,84,101,190,214,223],"ties":[15],"between":[16,108,121,157],"individuals.":[17],"It":[18],"also":[20],"piece":[22],"useful":[24],"auxiliary":[25],"information":[26,129],"for":[27,81,97,150],"improving":[28],"performance":[30,213],"recommendation":[32,70],"systems.":[33],"The":[34],"number":[35],"ratings":[37],"given":[38],"by":[39,104],"user":[41],"minimal":[43],"compared":[44],"to":[45,90,118],"all":[46],"items":[47,89],"in":[48,60,68,172],"popular,":[49],"widely-used":[50],"e-commerce":[51],"sites.":[52],"Therefore,":[53],"user-item":[55],"matrix":[56],"that":[57],"used":[59],"collaborative":[61],"filtering":[62],"suffers":[63],"from":[64],"data":[65,225],"sparsity,":[66],"resulting":[67],"poor":[69],"quality.":[71],"Another":[72],"issue":[73],"cold":[76],"start":[77],"problem,":[78,179,199],"which":[79],"occurs":[80],"inclusion":[83],"new":[85,88],"users":[86,110,122],"system.":[92],"Trust":[93],"helpful":[96],"alleviating":[98],"effect":[100],"these":[102],"problems":[103],"providing":[105],"additional":[106],"relationships":[107],"pointing":[112],"out":[113],"strong":[114],"relationships.":[115],"Information":[116],"as":[117,205],"can":[123],"be":[124],"explicitly":[125],"available.":[126],"However,":[127],"such":[128],"not":[131],"widely":[132],"available,":[133],"hence":[135],"implicit":[136,160,183,191],"models":[138,217],"have":[139],"been":[140],"employed.":[141],"This":[142],"work":[143],"analyzes":[144],"two":[145],"sub-problems":[146],"under":[147],"modeling":[149,204],"recommendation:":[151],"(1)":[152],"What":[153],"relationship":[156],"explicit":[158,170,193,202],"scores,":[162],"are":[163],"they":[164],"replaceable?":[165],"(2)":[166],"Can":[167],"we":[168,180,200,218],"model":[169,185,201],"network?":[175],"For":[176,196],"first":[178],"present":[181],"an":[182],"analyze":[187,211],"compatibility":[189],"scores.":[195],"second":[198],"link":[207],"prediction":[208,216],"problem":[209],"generate":[219],"on":[220],"set":[222],"benchmark":[224],"sets.":[226]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}