{"id":"https://openalex.org/W4400019747","doi":"https://doi.org/10.56553/popets-2024-0076","title":"CheckOut: User-Controlled Anonymization for Customer Loyalty Programs","display_name":"CheckOut: User-Controlled Anonymization for Customer Loyalty Programs","publication_year":2024,"publication_date":"2024-06-25","ids":{"openalex":"https://openalex.org/W4400019747","doi":"https://doi.org/10.56553/popets-2024-0076"},"language":"en","primary_location":{"id":"doi:10.56553/popets-2024-0076","is_oa":true,"landing_page_url":"https://doi.org/10.56553/popets-2024-0076","pdf_url":"https://petsymposium.org/popets/2024/popets-2024-0076.pdf","source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://petsymposium.org/popets/2024/popets-2024-0076.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088854367","display_name":"Matthew Gregoire","orcid":"https://orcid.org/0000-0003-1663-4932"},"institutions":[{"id":"https://openalex.org/I114027177","display_name":"University of North Carolina at Chapel Hill","ror":"https://ror.org/0130frc33","country_code":"US","type":"education","lineage":["https://openalex.org/I114027177"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Matthew Gregoire","raw_affiliation_strings":["University of North Carolina at Chapel Hill"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of North Carolina at Chapel Hill","institution_ids":["https://openalex.org/I114027177"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111238732","display_name":"R. M. Thomas","orcid":null},"institutions":[{"id":"https://openalex.org/I114027177","display_name":"University of North Carolina at Chapel Hill","ror":"https://ror.org/0130frc33","country_code":"US","type":"education","lineage":["https://openalex.org/I114027177"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rachel Thomas","raw_affiliation_strings":["University of North Carolina at Chapel Hill"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of North Carolina at Chapel Hill","institution_ids":["https://openalex.org/I114027177"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063950675","display_name":"Saba Eskandarian","orcid":null},"institutions":[{"id":"https://openalex.org/I114027177","display_name":"University of North Carolina at Chapel Hill","ror":"https://ror.org/0130frc33","country_code":"US","type":"education","lineage":["https://openalex.org/I114027177"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Saba Eskandarian","raw_affiliation_strings":["University of North Carolina at Chapel Hill"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of North Carolina at Chapel Hill","institution_ids":["https://openalex.org/I114027177"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5088854367"],"corresponding_institution_ids":["https://openalex.org/I114027177"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13815598,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2024","issue":"3","first_page":"224","last_page":"245"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11045","display_name":"Privacy, Security, and Data Protection","score":0.9994000196456909,"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"}},"topics":[{"id":"https://openalex.org/T11045","display_name":"Privacy, Security, and Data Protection","score":0.9994000196456909,"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"}},{"id":"https://openalex.org/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":0.9955000281333923,"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":0.9940999746322632,"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/loyalty","display_name":"Loyalty","score":0.593504786491394},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.5451377034187317},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5331284999847412},{"id":"https://openalex.org/keywords/loyalty-business-model","display_name":"Loyalty business model","score":0.5166802406311035},{"id":"https://openalex.org/keywords/advertising","display_name":"Advertising","score":0.41369250416755676},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.37211430072784424},{"id":"https://openalex.org/keywords/marketing","display_name":"Marketing","score":0.2193477749824524},{"id":"https://openalex.org/keywords/service-quality","display_name":"Service quality","score":0.06720536947250366}],"concepts":[{"id":"https://openalex.org/C2776967331","wikidata":"https://www.wikidata.org/wiki/Q1132131","display_name":"Loyalty","level":2,"score":0.593504786491394},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.5451377034187317},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5331284999847412},{"id":"https://openalex.org/C146897074","wikidata":"https://www.wikidata.org/wiki/Q1932925","display_name":"Loyalty business model","level":4,"score":0.5166802406311035},{"id":"https://openalex.org/C112698675","wikidata":"https://www.wikidata.org/wiki/Q37038","display_name":"Advertising","level":1,"score":0.41369250416755676},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.37211430072784424},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.2193477749824524},{"id":"https://openalex.org/C140781008","wikidata":"https://www.wikidata.org/wiki/Q1221081","display_name":"Service quality","level":3,"score":0.06720536947250366},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.56553/popets-2024-0076","is_oa":true,"landing_page_url":"https://doi.org/10.56553/popets-2024-0076","pdf_url":"https://petsymposium.org/popets/2024/popets-2024-0076.pdf","source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.56553/popets-2024-0076","is_oa":true,"landing_page_url":"https://doi.org/10.56553/popets-2024-0076","pdf_url":"https://petsymposium.org/popets/2024/popets-2024-0076.pdf","source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.5,"display_name":"Industry, innovation and infrastructure"}],"awards":[{"id":"https://openalex.org/G7877270432","display_name":"CAREER: Moderation and Accountability on Private Communication Platforms","funder_award_id":"2234408","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320307791","display_name":"Cisco Systems","ror":"https://ror.org/03yt1ez60"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4400019747.pdf"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2389397154","https://openalex.org/W3024507329","https://openalex.org/W4389143236","https://openalex.org/W2469901228","https://openalex.org/W2123217435","https://openalex.org/W2141148255","https://openalex.org/W3113150333","https://openalex.org/W2277816436","https://openalex.org/W3015043872","https://openalex.org/W1988526719"],"abstract_inverted_index":{"To":[0],"resist":[1],"the":[2,90,97,112,122,161],"regimes":[3],"of":[4,13,68,92,108,117,173],"ubiquitous":[5],"surveillance":[6,22,48,79],"imposed":[7],"upon":[8],"us":[9],"in":[10,47,64,89,121,200,227],"every":[11],"facet":[12],"modern":[14],"life,":[15],"we":[16,31,193],"need":[17],"technological":[18],"tools":[19,27],"that":[20,35,160,188],"subvert":[21,78,132],"systems.":[23],"Unfortunately,":[24],"while":[25,158,209],"cryptographic":[26],"frequently":[28],"demonstrate":[29,194],"how":[30,195],"can":[32,77,197],"construct":[33],"systems":[34],"safeguard":[36],"user":[37,120],"privacy,":[38],"there":[39],"is":[40,182],"limited":[41],"motivation":[42],"for":[43,185,205],"corporate":[44],"entities":[45],"engaged":[46],"to":[49,103,110,131,149,179,220],"adopt":[50],"these":[51],"tools,":[52],"as":[53],"they":[54],"often":[55],"clash":[56],"with":[57],"profit":[58],"incentives.":[59],"This":[60],"paper":[61],"demonstrates":[62],"how,":[63],"one":[65],"particular":[66,119,177],"aspect":[67],"everyday":[69],"life":[70],"--":[71,75],"customer":[72],"loyalty":[73,133,147,186,206,213],"programs":[74,187],"users":[76,102,199],"and":[80,114,127,140,230],"attain":[81],"anonymity,":[82],"without":[83],"necessitating":[84],"any":[85],"cooperation":[86],"or":[87],"modification":[88],"behavior":[91],"their":[93,151],"surveillors.":[94],"We":[95,215],"present":[96,216],"CheckOut":[98,124,154,196],"system,":[99],"which":[100,135],"allows":[101,155],"coordinate":[104],"large":[105],"anonymity":[106],"sets":[107],"shoppers":[109],"hide":[111],"identity":[113],"purchasing":[115],"habits":[116],"each":[118,202,211],"crowd.":[123],"scales":[125],"up":[126],"systematizes":[128],"past":[129],"efforts":[130],"surveillance,":[134],"have":[136],"been":[137],"primarily":[138],"ad-hoc":[139],"manual":[141],"affairs":[142],"where":[143,192],"customers":[144],"physically":[145],"swap":[146],"cards":[148],"mask":[150],"real":[152],"identities.":[153],"increased":[156],"scale":[157],"ensuring":[159],"necessary":[162],"computing":[163],"infrastructure":[164],"does":[165],"not":[166],"itself":[167],"become":[168],"a":[169,183],"new":[170],"centralized":[171],"point":[172],"privacy":[174],"failure.":[175],"Of":[176],"importance":[178],"our":[180],"scheme":[181],"protocol":[184],"offer":[189],"reward":[190],"points,":[191,224],"assist":[198],"paying":[201],"other":[203],"back":[204],"points":[207],"accrued":[208],"using":[210],"others'":[212],"accounts.":[214],"two":[217],"different":[218],"mechanisms":[219],"facilitate":[221],"redistributing":[222],"rewards":[223],"offering":[225],"trade-offs":[226],"functionality,":[228],"performance,":[229],"security.":[231]},"counts_by_year":[],"updated_date":"2026-05-21T09:19:25.381259","created_date":"2025-10-10T00:00:00"}
