{"id":"https://openalex.org/W2746563878","doi":"https://doi.org/10.1145/3109859.3109881","title":"Secure Multi-Party Protocols for Item-Based Collaborative Filtering","display_name":"Secure Multi-Party Protocols for Item-Based Collaborative Filtering","publication_year":2017,"publication_date":"2017-08-24","ids":{"openalex":"https://openalex.org/W2746563878","doi":"https://doi.org/10.1145/3109859.3109881","mag":"2746563878"},"language":"en","primary_location":{"id":"doi:10.1145/3109859.3109881","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3109859.3109881","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Eleventh 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/A5075956753","display_name":"Erez Shmueli","orcid":"https://orcid.org/0000-0003-3193-5768"},"institutions":[{"id":"https://openalex.org/I16391192","display_name":"Tel Aviv University","ror":"https://ror.org/04mhzgx49","country_code":"IL","type":"education","lineage":["https://openalex.org/I16391192"]}],"countries":["IL"],"is_corresponding":true,"raw_author_name":"Erez Shmueli","raw_affiliation_strings":["Tel-Aviv University, Tel-Aviv, Israel"],"affiliations":[{"raw_affiliation_string":"Tel-Aviv University, Tel-Aviv, Israel","institution_ids":["https://openalex.org/I16391192"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080737186","display_name":"Tamir Tassa","orcid":"https://orcid.org/0000-0001-9681-8824"},"institutions":[{"id":"https://openalex.org/I164950643","display_name":"Open University of Israel","ror":"https://ror.org/027z64205","country_code":"IL","type":"education","lineage":["https://openalex.org/I164950643"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Tamir Tassa","raw_affiliation_strings":["The Open University, Ra'anana, Israel"],"affiliations":[{"raw_affiliation_string":"The Open University, Ra'anana, Israel","institution_ids":["https://openalex.org/I164950643"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5075956753"],"corresponding_institution_ids":["https://openalex.org/I16391192"],"apc_list":null,"apc_paid":null,"fwci":2.7302,"has_fulltext":false,"cited_by_count":39,"citation_normalized_percentile":{"value":0.92461407,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"89","last_page":"97"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":0.9941999912261963,"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":0.8663095235824585},{"id":"https://openalex.org/keywords/vendor","display_name":"Vendor","score":0.8228537440299988},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.7849776744842529},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.6750463843345642},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.6211071610450745},{"id":"https://openalex.org/keywords/variety","display_name":"Variety (cybernetics)","score":0.5506717562675476},{"id":"https://openalex.org/keywords/preference","display_name":"Preference","score":0.419253408908844},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.41261938214302063},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.3452257812023163},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.323090136051178}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8663095235824585},{"id":"https://openalex.org/C2777338717","wikidata":"https://www.wikidata.org/wiki/Q1762621","display_name":"Vendor","level":2,"score":0.8228537440299988},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.7849776744842529},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.6750463843345642},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.6211071610450745},{"id":"https://openalex.org/C136197465","wikidata":"https://www.wikidata.org/wiki/Q1729295","display_name":"Variety (cybernetics)","level":2,"score":0.5506717562675476},{"id":"https://openalex.org/C2781249084","wikidata":"https://www.wikidata.org/wiki/Q908656","display_name":"Preference","level":2,"score":0.419253408908844},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.41261938214302063},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.3452257812023163},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.323090136051178},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3109859.3109881","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3109859.3109881","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Eleventh 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":40,"referenced_works":["https://openalex.org/W1608459536","https://openalex.org/W1775796761","https://openalex.org/W1966553486","https://openalex.org/W1967151960","https://openalex.org/W1978838204","https://openalex.org/W1997136459","https://openalex.org/W2000432130","https://openalex.org/W2003662249","https://openalex.org/W2005414508","https://openalex.org/W2026201826","https://openalex.org/W2042281163","https://openalex.org/W2046776785","https://openalex.org/W2057595201","https://openalex.org/W2092422002","https://openalex.org/W2093367651","https://openalex.org/W2096480010","https://openalex.org/W2104983592","https://openalex.org/W2105953200","https://openalex.org/W2112022568","https://openalex.org/W2130796114","https://openalex.org/W2132172731","https://openalex.org/W2136195300","https://openalex.org/W2140310134","https://openalex.org/W2152208379","https://openalex.org/W2167094273","https://openalex.org/W2185162820","https://openalex.org/W2226173891","https://openalex.org/W2226779494","https://openalex.org/W2232578234","https://openalex.org/W2293302261","https://openalex.org/W2307836284","https://openalex.org/W2399499565","https://openalex.org/W2404132932","https://openalex.org/W2566331060","https://openalex.org/W2573732877","https://openalex.org/W2604699949","https://openalex.org/W3102199432","https://openalex.org/W3141585064","https://openalex.org/W3201653432","https://openalex.org/W4299679152"],"related_works":["https://openalex.org/W2772628444","https://openalex.org/W2735929803","https://openalex.org/W4220714703","https://openalex.org/W1484355083","https://openalex.org/W3008845055","https://openalex.org/W2098758514","https://openalex.org/W4376854386","https://openalex.org/W2202724490","https://openalex.org/W2508671622","https://openalex.org/W2556532874"],"abstract_inverted_index":{"Recommender":[0],"systems":[1,54],"have":[2],"become":[3],"extremely":[4],"common":[5],"in":[6,12,113],"recent":[7],"years,":[8],"and":[9,67,74,100,169,186],"are":[10,118],"utilized":[11],"a":[13,26,130,144],"variety":[14],"of":[15,45,98,129,188],"domains":[16],"such":[17,61],"as":[18],"movies,":[19],"music,":[20],"news,":[21],"products,":[22],"restaurants,":[23],"etc.":[24],"While":[25],"typical":[27],"recommender":[28,53],"system":[29,41],"bases":[30],"its":[31,178],"recommendations":[32,46,176],"solely":[33,120,160],"on":[34,136,183],"users'":[35],"preference":[36],"data":[37,62,138],"collected":[38],"by":[39,121,140],"the":[40,43,72,75,95,115,122,127,141,150,162,184,189],"itself,":[42],"quality":[44],"can":[47],"significantly":[48],"be":[49],"improved":[50],"if":[51],"several":[52],"(or":[55],"vendors)":[56],"share":[57],"their":[58,101],"data.":[59],"However,":[60],"sharing":[63],"poses":[64],"significant":[65],"privacy":[66,106],"security":[68],"challenges,":[69],"both":[70,94],"to":[71,92,158,174,177,192],"vendors":[73,191],"users.":[76],"In":[77],"this":[78],"paper":[79],"we":[80],"propose":[81],"secure":[82,116],"protocols":[83,90,117,125],"for":[84],"distributed":[85],"item-based":[86],"Collaborative":[87],"Filtering.":[88],"Our":[89],"allow":[91],"compute":[93],"predicted":[96,102],"ratings":[97],"items":[99],"rankings,":[103],"without":[104,180],"compromising":[105],"nor":[107],"predictions'":[108],"accuracy.":[109],"Unlike":[110],"previous":[111],"solutions":[112],"which":[114],"executed":[119],"vendors,":[123],"our":[124],"assume":[126],"existence":[128],"mediator":[131],"that":[132],"performs":[133],"intermediate":[134],"computations":[135],"encrypted":[137],"supplied":[139],"vendors.":[142],"Such":[143],"mediated":[145],"setting":[146],"is":[147],"advantageous":[148],"over":[149],"non-mediated":[151],"one":[152],"since":[153],"it":[154,170],"enables":[155],"each":[156,172],"vendor":[157,173],"communicate":[159],"with":[161],"mediator.":[163],"This":[164],"yields":[165],"reduced":[166],"communication":[167],"costs":[168],"allows":[171],"issue":[175],"clients":[179],"being":[181],"dependent":[182],"availability":[185],"willingness":[187],"other":[190],"collaborate.":[193]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
