{"id":"https://openalex.org/W1989279326","doi":"https://doi.org/10.1145/1278366.1278372","title":"Toward trustworthy recommender systems","display_name":"Toward trustworthy recommender systems","publication_year":2007,"publication_date":"2007-10-01","ids":{"openalex":"https://openalex.org/W1989279326","doi":"https://doi.org/10.1145/1278366.1278372","mag":"1989279326"},"language":"en","primary_location":{"id":"doi:10.1145/1278366.1278372","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1278366.1278372","pdf_url":null,"source":{"id":"https://openalex.org/S97833917","display_name":"ACM Transactions on Internet Technology","issn_l":"1533-5399","issn":["1533-5399","1557-6051"],"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 Internet Technology","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/A5082580430","display_name":"Bamshad Mobasher","orcid":"https://orcid.org/0000-0001-9701-9178"},"institutions":[{"id":"https://openalex.org/I118353179","display_name":"DePaul University","ror":"https://ror.org/04xtx5t16","country_code":"US","type":"education","lineage":["https://openalex.org/I118353179"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Bamshad Mobasher","raw_affiliation_strings":["DePaul University, Chicago, IL","DePaul University, Chicago IL#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DePaul University, Chicago, IL","institution_ids":["https://openalex.org/I118353179"]},{"raw_affiliation_string":"DePaul University, Chicago IL#TAB#","institution_ids":["https://openalex.org/I118353179"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043134791","display_name":"Robin Burke","orcid":"https://orcid.org/0000-0001-5766-6434"},"institutions":[{"id":"https://openalex.org/I118353179","display_name":"DePaul University","ror":"https://ror.org/04xtx5t16","country_code":"US","type":"education","lineage":["https://openalex.org/I118353179"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robin Burke","raw_affiliation_strings":["DePaul University, Chicago, IL","DePaul University, Chicago IL#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DePaul University, Chicago, IL","institution_ids":["https://openalex.org/I118353179"]},{"raw_affiliation_string":"DePaul University, Chicago IL#TAB#","institution_ids":["https://openalex.org/I118353179"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058232606","display_name":"Runa Bhaumik","orcid":"https://orcid.org/0000-0002-0553-1340"},"institutions":[{"id":"https://openalex.org/I118353179","display_name":"DePaul University","ror":"https://ror.org/04xtx5t16","country_code":"US","type":"education","lineage":["https://openalex.org/I118353179"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Runa Bhaumik","raw_affiliation_strings":["DePaul University, Chicago, IL","DePaul University, Chicago IL#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DePaul University, Chicago, IL","institution_ids":["https://openalex.org/I118353179"]},{"raw_affiliation_string":"DePaul University, Chicago IL#TAB#","institution_ids":["https://openalex.org/I118353179"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084898598","display_name":"Chad Williams","orcid":"https://orcid.org/0009-0009-1627-1335"},"institutions":[{"id":"https://openalex.org/I118353179","display_name":"DePaul University","ror":"https://ror.org/04xtx5t16","country_code":"US","type":"education","lineage":["https://openalex.org/I118353179"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chad Williams","raw_affiliation_strings":["DePaul University, Chicago, IL","DePaul University, Chicago IL#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DePaul University, Chicago, IL","institution_ids":["https://openalex.org/I118353179"]},{"raw_affiliation_string":"DePaul University, Chicago IL#TAB#","institution_ids":["https://openalex.org/I118353179"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5082580430"],"corresponding_institution_ids":["https://openalex.org/I118353179"],"apc_list":null,"apc_paid":null,"fwci":49.7196,"has_fulltext":false,"cited_by_count":465,"citation_normalized_percentile":{"value":0.99812577,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"7","issue":"4","first_page":"23","last_page":"23"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9994999766349792,"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":0.9994999766349792,"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/T12101","display_name":"Advanced Bandit Algorithms Research","score":0.9941999912261963,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10927","display_name":"Access Control and Trust","score":0.9939000010490417,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.9188815951347351},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.849952220916748},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.7524235248565674},{"id":"https://openalex.org/keywords/trustworthiness","display_name":"Trustworthiness","score":0.7229377031326294},{"id":"https://openalex.org/keywords/attack-model","display_name":"Attack model","score":0.5418646335601807},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.44957882165908813},{"id":"https://openalex.org/keywords/threat-model","display_name":"Threat model","score":0.4467924237251282},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.41541197896003723},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.290255606174469}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.9188815951347351},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.849952220916748},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.7524235248565674},{"id":"https://openalex.org/C153701036","wikidata":"https://www.wikidata.org/wiki/Q659974","display_name":"Trustworthiness","level":2,"score":0.7229377031326294},{"id":"https://openalex.org/C65856478","wikidata":"https://www.wikidata.org/wiki/Q3991682","display_name":"Attack model","level":2,"score":0.5418646335601807},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.44957882165908813},{"id":"https://openalex.org/C140547941","wikidata":"https://www.wikidata.org/wiki/Q7797194","display_name":"Threat model","level":2,"score":0.4467924237251282},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.41541197896003723},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.290255606174469},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"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/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1278366.1278372","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1278366.1278372","pdf_url":null,"source":{"id":"https://openalex.org/S97833917","display_name":"ACM Transactions on Internet Technology","issn_l":"1533-5399","issn":["1533-5399","1557-6051"],"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 Internet Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5400000214576721,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W15341867","https://openalex.org/W45952787","https://openalex.org/W52770770","https://openalex.org/W61758119","https://openalex.org/W145109340","https://openalex.org/W153250912","https://openalex.org/W281665770","https://openalex.org/W1487691575","https://openalex.org/W1489114055","https://openalex.org/W1493526108","https://openalex.org/W1570184525","https://openalex.org/W1570448133","https://openalex.org/W1582340466","https://openalex.org/W1604656995","https://openalex.org/W1971040550","https://openalex.org/W2000855935","https://openalex.org/W2029046707","https://openalex.org/W2029424893","https://openalex.org/W2042281163","https://openalex.org/W2072651985","https://openalex.org/W2072773380","https://openalex.org/W2078663894","https://openalex.org/W2085937320","https://openalex.org/W2098121414","https://openalex.org/W2100370943","https://openalex.org/W2110325612","https://openalex.org/W2115139489","https://openalex.org/W2127480961","https://openalex.org/W2134834365","https://openalex.org/W2155106456","https://openalex.org/W2966207845","https://openalex.org/W4232980324","https://openalex.org/W4237795037","https://openalex.org/W4285719527","https://openalex.org/W6602769642","https://openalex.org/W6606174720","https://openalex.org/W6629287044","https://openalex.org/W6635421465","https://openalex.org/W6680227968"],"related_works":["https://openalex.org/W2348159088","https://openalex.org/W2402445420","https://openalex.org/W1773619406","https://openalex.org/W2377968345","https://openalex.org/W2075040002","https://openalex.org/W2807965222","https://openalex.org/W2126026531","https://openalex.org/W2511071455","https://openalex.org/W2017784590","https://openalex.org/W16059526"],"abstract_inverted_index":{"Publicly":[0],"accessible":[1],"adaptive":[2],"systems":[3,8],"such":[4],"as":[5],"collaborative":[6,71],"recommender":[7,94],"present":[9],"a":[10,31,36,46,157,172],"security":[11],"problem.":[12],"Attackers,":[13],"who":[14],"cannot":[15],"be":[16],"readily":[17],"distinguished":[18],"from":[19],"ordinary":[20],"users,":[21],"may":[22,43,155],"inject":[23],"biased":[24],"profiles":[25,179],"in":[26,35,51,74,91,97,184],"an":[27],"attempt":[28],"to":[29,33,39,45,63,122,147],"force":[30],"system":[32],"\u201cadapt\u201d":[34],"manner":[37],"advantageous":[38],"them.":[40],"Such":[41],"attacks":[42,103,125],"lead":[44],"degradation":[47],"of":[48,56,69,77,87,102,160,166],"user":[49],"trust":[50],"the":[52,57,65,75,88,100],"objectivity":[53],"and":[54,67,104,117,129,141,180],"accuracy":[55],"system.":[58],"Recent":[59],"research":[60],"has":[61],"begun":[62],"examine":[64],"vulnerabilities":[66],"robustness":[68],"different":[70],"recommendation":[72,109,133],"techniques":[73],"face":[76],"\u201cprofile":[78],"injection\u201d":[79],"attacks.":[80,186],"In":[81],"this":[82],"article,":[83],"we":[84,169],"outline":[85],"some":[86],"major":[89],"issues":[90],"building":[92],"secure":[93],"systems,":[95],"concentrating":[96],"particular":[98],"on":[99,107],"modeling":[101],"their":[105],"impact":[106],"various":[108],"algorithms.":[110],"We":[111],"introduce":[112,171],"several":[113],"new":[114],"attack":[115,149,167,178],"models":[116],"perform":[118],"extensive":[119],"simulation-based":[120],"evaluations":[121],"show":[123],"which":[124],"are":[126,144],"most":[127],"successful":[128],"practical":[130],"against":[131],"common":[132],"techniques.":[134],"Our":[135],"study":[136],"shows":[137],"that":[138,152],"both":[139],"user-based":[140],"item-based":[142],"algorithms":[143,154],"highly":[145],"vulnerable":[146],"specific":[148],"models,":[150,168],"but":[151],"hybrid":[153],"provide":[156],"higher":[158],"degree":[159],"robustness.":[161],"Using":[162],"our":[163],"formal":[164],"characterization":[165],"also":[170],"novel":[173],"classification-based":[174],"approach":[175],"for":[176],"detecting":[177],"evaluate":[181],"its":[182],"effectiveness":[183],"neutralizing":[185]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":24},{"year":2024,"cited_by_count":21},{"year":2023,"cited_by_count":21},{"year":2022,"cited_by_count":18},{"year":2021,"cited_by_count":31},{"year":2020,"cited_by_count":29},{"year":2019,"cited_by_count":29},{"year":2018,"cited_by_count":31},{"year":2017,"cited_by_count":16},{"year":2016,"cited_by_count":31},{"year":2015,"cited_by_count":36},{"year":2014,"cited_by_count":36},{"year":2013,"cited_by_count":28},{"year":2012,"cited_by_count":29}],"updated_date":"2026-05-03T08:25:01.440150","created_date":"2025-10-10T00:00:00"}