{"id":"https://openalex.org/W3204532473","doi":"https://doi.org/10.1145/3464298.3476130","title":"PProx","display_name":"PProx","publication_year":2021,"publication_date":"2021-10-02","ids":{"openalex":"https://openalex.org/W3204532473","doi":"https://doi.org/10.1145/3464298.3476130","mag":"3204532473"},"language":"en","primary_location":{"id":"doi:10.1145/3464298.3476130","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3464298.3476130","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 22nd International Middleware Conference","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/2078.1/252558","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5028665532","display_name":"Guillaume Rosinosky","orcid":"https://orcid.org/0000-0001-8980-1231"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Guillaume Rosinosky","raw_affiliation_strings":["ICTEAM, UCLouvain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ICTEAM, UCLouvain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107700185","display_name":"Simon Da Silva","orcid":"https://orcid.org/0000-0003-0903-9369"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I15057530","display_name":"Universit\u00e9 de Bordeaux","ror":"https://ror.org/057qpr032","country_code":"FR","type":"education","lineage":["https://openalex.org/I15057530"]},{"id":"https://openalex.org/I4210142254","display_name":"Laboratoire Bordelais de Recherche en Informatique","ror":"https://ror.org/03adqg323","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I15057530","https://openalex.org/I4210142254","https://openalex.org/I4210159245","https://openalex.org/I4210160189"]},{"id":"https://openalex.org/I4210160189","display_name":"Institut Polytechnique de Bordeaux","ror":"https://ror.org/054qv7y42","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210160189"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Simon Da Silva","raw_affiliation_strings":["Univ. Bordeaux, CNRS, Bordeaux INP, LaBRI, UMR 5800"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. Bordeaux, CNRS, Bordeaux INP, LaBRI, UMR 5800","institution_ids":["https://openalex.org/I4210160189","https://openalex.org/I4210142254","https://openalex.org/I15057530","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018656827","display_name":"Sonia Ben Mokhtar","orcid":"https://orcid.org/0000-0003-2821-7714"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210155607","display_name":"Laboratoire d'Informatique en Images et Syst\u00e8mes d'Information","ror":"https://ror.org/04dv4he91","country_code":"FR","type":"facility","lineage":["https://openalex.org/I100532134","https://openalex.org/I112936343","https://openalex.org/I1294671590","https://openalex.org/I188626449","https://openalex.org/I203339264","https://openalex.org/I203339264","https://openalex.org/I203339264","https://openalex.org/I203339264","https://openalex.org/I4210155607","https://openalex.org/I48430043"]},{"id":"https://openalex.org/I48430043","display_name":"Institut National des Sciences Appliqu\u00e9es de Lyon","ror":"https://ror.org/050jn9y42","country_code":"FR","type":"education","lineage":["https://openalex.org/I203339264","https://openalex.org/I48430043"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Sonia Ben Mokhtar","raw_affiliation_strings":["INSA Lyon, LIRIS, CNRS"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INSA Lyon, LIRIS, CNRS","institution_ids":["https://openalex.org/I48430043","https://openalex.org/I4210155607","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011579512","display_name":"Daniel N\u00e9gru","orcid":"https://orcid.org/0000-0003-4116-1364"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I15057530","display_name":"Universit\u00e9 de Bordeaux","ror":"https://ror.org/057qpr032","country_code":"FR","type":"education","lineage":["https://openalex.org/I15057530"]},{"id":"https://openalex.org/I4210142254","display_name":"Laboratoire Bordelais de Recherche en Informatique","ror":"https://ror.org/03adqg323","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I15057530","https://openalex.org/I4210142254","https://openalex.org/I4210159245","https://openalex.org/I4210160189"]},{"id":"https://openalex.org/I4210160189","display_name":"Institut Polytechnique de Bordeaux","ror":"https://ror.org/054qv7y42","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210160189"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Daniel N\u00e9gru","raw_affiliation_strings":["Univ. Bordeaux, CNRS, Bordeaux INP, LaBRI, UMR 5800"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. Bordeaux, CNRS, Bordeaux INP, LaBRI, UMR 5800","institution_ids":["https://openalex.org/I4210160189","https://openalex.org/I4210142254","https://openalex.org/I15057530","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041648277","display_name":"Laurent R\u00e9veill\u00e8re","orcid":null},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I15057530","display_name":"Universit\u00e9 de Bordeaux","ror":"https://ror.org/057qpr032","country_code":"FR","type":"education","lineage":["https://openalex.org/I15057530"]},{"id":"https://openalex.org/I4210142254","display_name":"Laboratoire Bordelais de Recherche en Informatique","ror":"https://ror.org/03adqg323","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I15057530","https://openalex.org/I4210142254","https://openalex.org/I4210159245","https://openalex.org/I4210160189"]},{"id":"https://openalex.org/I4210160189","display_name":"Institut Polytechnique de Bordeaux","ror":"https://ror.org/054qv7y42","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210160189"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Laurent R\u00e9veill\u00e8re","raw_affiliation_strings":["Univ. Bordeaux, CNRS, Bordeaux INP, LaBRI, UMR 5800"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. Bordeaux, CNRS, Bordeaux INP, LaBRI, UMR 5800","institution_ids":["https://openalex.org/I4210160189","https://openalex.org/I4210142254","https://openalex.org/I15057530","https://openalex.org/I1294671590"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089664450","display_name":"\u00c9tienne Rivi\u00e8re","orcid":"https://orcid.org/0000-0002-4133-394X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Etienne Rivi\u00e8re","raw_affiliation_strings":["ICTEAM, UCLouvain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ICTEAM, UCLouvain","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1399,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.56868113,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"14","last_page":"26"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9990000128746033,"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9990000128746033,"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/T11478","display_name":"Caching and Content Delivery","score":0.9976999759674072,"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/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":0.9922999739646912,"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":0.8207821846008301},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.6877588033676147},{"id":"https://openalex.org/keywords/service-provider","display_name":"Service provider","score":0.6298430562019348},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.5192420482635498},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.49604329466819763},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.42210841178894043},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.41221171617507935},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.4052503705024719},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.40424537658691406},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.2757701873779297},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.17055749893188477},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13067039847373962}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8207821846008301},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.6877588033676147},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.6298430562019348},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.5192420482635498},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.49604329466819763},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.42210841178894043},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.41221171617507935},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.4052503705024719},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.40424537658691406},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.2757701873779297},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.17055749893188477},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13067039847373962},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","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/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3464298.3476130","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3464298.3476130","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 22nd International Middleware Conference","raw_type":"proceedings-article"},{"id":"pmh:oai:HAL:hal-03752290v1","is_oa":false,"landing_page_url":"https://hal.science/hal-03752290","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Middleware '21: 22nd International Middleware Conference, Dec 2021, Qu\u00e9bec, Canada. pp.14-26, ⟨10.1145/3464298.3476130⟩","raw_type":"Conference papers"},{"id":"pmh:oai:dial.uclouvain.be:boreal:252558","is_oa":true,"landing_page_url":"http://hdl.handle.net/2078.1/252558","pdf_url":null,"source":{"id":"https://openalex.org/S4306401902","display_name":"Digital Access to Libraries (Universit\u00e9 catholique de Louvain (UCL), l'Universit\u00e9 de Namur (UNamur) and the Universit\u00e9 Saint-Louis (USL-B))","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I95674353","host_organization_name":"UCLouvain","host_organization_lineage":["https://openalex.org/I95674353"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:dial.uclouvain.be:boreal:252558","is_oa":true,"landing_page_url":"http://hdl.handle.net/2078.1/252558","pdf_url":null,"source":{"id":"https://openalex.org/S4306401902","display_name":"Digital Access to Libraries (Universit\u00e9 catholique de Louvain (UCL), l'Universit\u00e9 de Namur (UNamur) and the Universit\u00e9 Saint-Louis (USL-B))","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I95674353","host_organization_name":"UCLouvain","host_organization_lineage":["https://openalex.org/I95674353"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.8100000023841858}],"awards":[{"id":"https://openalex.org/G1878667020","display_name":"PRIvacy preserving Multi-compartiment Trusted Execution","funder_award_id":"ANR-17-CE25-0017","funder_id":"https://openalex.org/F4320320883","funder_display_name":"Agence Nationale de la Recherche"},{"id":"https://openalex.org/G4177658892","display_name":null,"funder_award_id":"33694591","funder_id":"https://openalex.org/F4320321390","funder_display_name":"Fonds De La Recherche Scientifique - FNRS"}],"funders":[{"id":"https://openalex.org/F4320320883","display_name":"Agence Nationale de la Recherche","ror":"https://ror.org/00rbzpz17"},{"id":"https://openalex.org/F4320321390","display_name":"Fonds De La Recherche Scientifique - FNRS","ror":"https://ror.org/03q83t159"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W2022097286","https://openalex.org/W2032395777","https://openalex.org/W2048934076","https://openalex.org/W2063244929","https://openalex.org/W2070786785","https://openalex.org/W2152208379","https://openalex.org/W2161676175","https://openalex.org/W2163162311","https://openalex.org/W2251699311","https://openalex.org/W2593994116","https://openalex.org/W2616901112","https://openalex.org/W2744175342","https://openalex.org/W2751401047","https://openalex.org/W2759588881","https://openalex.org/W2779039779","https://openalex.org/W2926084389","https://openalex.org/W2966823525","https://openalex.org/W2973141328","https://openalex.org/W3035199864","https://openalex.org/W3035751864","https://openalex.org/W3104375021","https://openalex.org/W3111144780","https://openalex.org/W3112078625","https://openalex.org/W6824583106"],"related_works":["https://openalex.org/W96612179","https://openalex.org/W2770234245","https://openalex.org/W2566006169","https://openalex.org/W2987774938","https://openalex.org/W4256492088","https://openalex.org/W4390273403","https://openalex.org/W632915154","https://openalex.org/W2055733372","https://openalex.org/W4229499248","https://openalex.org/W4386781444"],"abstract_inverted_index":{"We":[0,82],"present":[1],"PProx,":[2],"a":[3,93,103],"system":[4],"preventing":[5],"recommendation-as-a-service":[6],"(RaaS)":[7],"providers":[8],"from":[9],"accessing":[10],"sensitive":[11],"data":[12],"about":[13],"the":[14,50,65,75],"users":[15,58],"of":[16,77,79,106,119],"applications":[17],"leveraging":[18],"their":[19],"services.":[20],"PProx":[21,68,84],"does":[22],"not":[23],"impact":[24],"recommendations":[25],"accuracy,":[26],"is":[27],"compatible":[28],"with":[29,85,108],"arbitrary":[30],"recommendation":[31],"algorithms,":[32],"and":[33,59,61,67,89],"has":[34],"minimal":[35],"deployment":[36],"requirements.":[37],"Its":[38],"design":[39],"combines":[40],"two":[41],"proxying":[42],"layers":[43,55],"directly":[44],"running":[45],"inside":[46],"SGX":[47],"enclaves":[48],"at":[49],"RaaS":[51],"provider":[52],"side.":[53],"These":[54],"transparently":[56],"pseudonymize":[57],"items":[60],"hide":[62],"links":[63],"between":[64],"two,":[66],"privacy":[69],"guarantees":[70],"are":[71],"robust":[72],"even":[73],"to":[74,101,115],"corruption":[76],"one":[78],"these":[80],"enclaves.":[81],"integrated":[83],"Harness's":[86],"Universal":[87],"Recommender":[88],"evaluated":[90],"it":[91],"on":[92],"27-node":[94],"cluster.":[95],"Our":[96],"results":[97],"indicate":[98],"its":[99],"ability":[100],"withstand":[102],"high":[104],"number":[105],"requests":[107],"low":[109],"end-to-end":[110],"latency,":[111],"horizontally":[112],"scaling":[113],"up":[114],"match":[116],"increasing":[117],"workloads":[118],"recommendations.":[120]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-22T08:00:12.763002","created_date":"2021-10-11T00:00:00"}