{"id":"https://openalex.org/W4401863521","doi":"https://doi.org/10.1145/3637528.3671758","title":"Where Have You Been? A Study of Privacy Risk for Point-of-Interest Recommendation","display_name":"Where Have You Been? A Study of Privacy Risk for Point-of-Interest Recommendation","publication_year":2024,"publication_date":"2024-08-24","ids":{"openalex":"https://openalex.org/W4401863521","doi":"https://doi.org/10.1145/3637528.3671758"},"language":"en","primary_location":{"id":"doi:10.1145/3637528.3671758","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3637528.3671758","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3637528.3671758","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3637528.3671758","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102573333","display_name":"Kunlin Cai","orcid":null},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Kunlin Cai","raw_affiliation_strings":["University of California, Los Angeles, Los Angeles, CA, USA"],"affiliations":[{"raw_affiliation_string":"University of California, Los Angeles, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I161318765"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074110725","display_name":"Jinghuai Zhang","orcid":"https://orcid.org/0000-0002-1311-3392"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jinghuai Zhang","raw_affiliation_strings":["University of California, Los Angeles, Los Angeles, CA, USA"],"affiliations":[{"raw_affiliation_string":"University of California, Los Angeles, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I161318765"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077830473","display_name":"Zhiqing Hong","orcid":"https://orcid.org/0000-0003-3682-4290"},"institutions":[{"id":"https://openalex.org/I102322142","display_name":"Rutgers, The State University of New Jersey","ror":"https://ror.org/05vt9qd57","country_code":"US","type":"education","lineage":["https://openalex.org/I102322142"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhiqing Hong","raw_affiliation_strings":["Rutgers University, New Brunswick, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Rutgers University, New Brunswick, NJ, USA","institution_ids":["https://openalex.org/I102322142"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066111061","display_name":"William Shand","orcid":"https://orcid.org/0000-0001-6525-7091"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"William Shand","raw_affiliation_strings":["University of California, Los Angeles, Los Angeles, CA, USA"],"affiliations":[{"raw_affiliation_string":"University of California, Los Angeles, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I161318765"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100451759","display_name":"Guang Wang","orcid":"https://orcid.org/0000-0002-7739-7945"},"institutions":[{"id":"https://openalex.org/I103163165","display_name":"Florida State University","ror":"https://ror.org/05g3dte14","country_code":"US","type":"education","lineage":["https://openalex.org/I103163165"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Guang Wang","raw_affiliation_strings":["Florida State University, Tallahassee, FL, USA"],"affiliations":[{"raw_affiliation_string":"Florida State University, Tallahassee, FL, USA","institution_ids":["https://openalex.org/I103163165"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100603762","display_name":"Desheng Zhang","orcid":"https://orcid.org/0000-0001-9307-8736"},"institutions":[{"id":"https://openalex.org/I102322142","display_name":"Rutgers, The State University of New Jersey","ror":"https://ror.org/05vt9qd57","country_code":"US","type":"education","lineage":["https://openalex.org/I102322142"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Desheng Zhang","raw_affiliation_strings":["Rutgers University, New Brunswick, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Rutgers University, New Brunswick, NJ, USA","institution_ids":["https://openalex.org/I102322142"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111524272","display_name":"Jianfeng Chi","orcid":"https://orcid.org/0000-0002-2010-3408"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jianfeng Chi","raw_affiliation_strings":["Meta, New York, NY, USA"],"affiliations":[{"raw_affiliation_string":"Meta, New York, NY, USA","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100716458","display_name":"Yuan Tian","orcid":"https://orcid.org/0000-0002-6435-564X"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yuan Tian","raw_affiliation_strings":["University of California, Los Angeles, Los Angeles, CA, USA"],"affiliations":[{"raw_affiliation_string":"University of California, Los Angeles, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I161318765"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5102573333"],"corresponding_institution_ids":["https://openalex.org/I161318765"],"apc_list":null,"apc_paid":null,"fwci":1.7376,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.86883744,"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":"175","last_page":"186"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":1.0,"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":1.0,"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/T11045","display_name":"Privacy, Security, and Data Protection","score":0.9983999729156494,"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/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.9948999881744385,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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":0.6472810506820679},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.5324576497077942},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.49205082654953003},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.4771237373352051},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.32857823371887207},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10962185263633728}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6472810506820679},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.5324576497077942},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.49205082654953003},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.4771237373352051},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.32857823371887207},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10962185263633728},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3637528.3671758","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3637528.3671758","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3637528.3671758","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3637528.3671758","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3637528.3671758","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3637528.3671758","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.4000000059604645,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4401863521.pdf"},"referenced_works_count":53,"referenced_works":["https://openalex.org/W52091974","https://openalex.org/W1536564267","https://openalex.org/W1971472627","https://openalex.org/W1973980096","https://openalex.org/W1974653074","https://openalex.org/W1994952354","https://openalex.org/W2004123501","https://openalex.org/W2016783951","https://openalex.org/W2017921654","https://openalex.org/W2043059922","https://openalex.org/W2051267297","https://openalex.org/W2071702404","https://openalex.org/W2074194940","https://openalex.org/W2082894754","https://openalex.org/W2102611836","https://openalex.org/W2110953678","https://openalex.org/W2141854027","https://openalex.org/W2148728861","https://openalex.org/W2350778671","https://openalex.org/W2473418344","https://openalex.org/W2535690855","https://openalex.org/W2539781657","https://openalex.org/W2567312369","https://openalex.org/W2740832655","https://openalex.org/W2743808405","https://openalex.org/W2783429905","https://openalex.org/W2808425487","https://openalex.org/W2901147448","https://openalex.org/W2964151798","https://openalex.org/W2998167534","https://openalex.org/W3034247928","https://openalex.org/W3034824210","https://openalex.org/W3035168593","https://openalex.org/W3046944446","https://openalex.org/W3080292238","https://openalex.org/W3102247173","https://openalex.org/W3112689365","https://openalex.org/W3128267727","https://openalex.org/W3164797320","https://openalex.org/W3213170289","https://openalex.org/W4256361765","https://openalex.org/W4284668299","https://openalex.org/W4288057780","https://openalex.org/W4300867149","https://openalex.org/W4301329292","https://openalex.org/W4308643663","https://openalex.org/W4309652271","https://openalex.org/W4323349042","https://openalex.org/W4323349060","https://openalex.org/W4367164336","https://openalex.org/W4382318390","https://openalex.org/W4385522442","https://openalex.org/W6657138077"],"related_works":["https://openalex.org/W2584827882","https://openalex.org/W2538581760","https://openalex.org/W3195097297","https://openalex.org/W4225340788","https://openalex.org/W3038106605","https://openalex.org/W2513267613","https://openalex.org/W3049084372","https://openalex.org/W2528109871","https://openalex.org/W2940702331","https://openalex.org/W2905822832"],"abstract_inverted_index":{"As":[0],"location-based":[1],"services":[2],"(LBS)":[3],"have":[4],"grown":[5],"in":[6,98,134],"popularity,":[7],"more":[8,196],"human":[9],"mobility":[10,71,86,99,128,152,170,193],"data":[11,17,53,72,110,194],"has":[12],"been":[13],"collected.":[14],"The":[15],"collected":[16],"can":[18],"be":[19],"used":[20,127],"to":[21,29,59,78,144,180,188,198],"build":[22],"machine":[23],"learning":[24],"(ML)":[25],"models":[26,177],"for":[27,37,117,160],"LBS":[28],"enhance":[30],"their":[31],"performance":[32],"and":[33,93,112,142,208,212],"improve":[34],"overall":[35],"experience":[36],"users.":[38],"However,":[39],"the":[40,44,81,95,124],"convenience":[41],"comes":[42],"with":[43],"risk":[45,83,158],"of":[46,52,85,123,148,192],"privacy":[47,73,82,96,106,157,199],"leakage":[48,97],"since":[49],"this":[50],"type":[51],"might":[54],"contain":[55],"sensitive":[56,149],"information":[57,150],"related":[58],"user":[60],"identities,":[61],"such":[62],"as":[63],"home/work":[64],"locations.":[65],"Prior":[66],"work":[67],"focuses":[68],"on":[69],"protecting":[70],"during":[74],"transmission":[75],"or":[76],"prior":[77],"release,":[79],"lacking":[80],"evaluation":[84,166],"data-based":[87,100,129],"ML":[88,101,130],"models.":[89,131,163],"To":[90],"better":[91],"understand":[92,189],"quantify":[94],"models,":[102,121],"we":[103,202],"design":[104],"a":[105,155],"attack":[107,136],"suite":[108,137],"containing":[109],"extraction":[111],"membership":[113],"inference":[114],"attacks":[115,133,207],"tailored":[116],"point-of-interest":[118],"(POI)":[119],"recommendation":[120,162,176],"one":[122],"most":[125],"widely":[126],"These":[132],"our":[135,181],"assume":[138],"different":[139,146],"adversary":[140],"knowledge":[141],"aim":[143],"extract":[145],"types":[147,191],"from":[151],"data,":[153],"providing":[154],"holistic":[156],"assessment":[159],"POI":[161,175],"Our":[164],"experimental":[165],"using":[167],"two":[168],"real-world":[169],"datasets":[171],"demonstrates":[172],"that":[173],"current":[174],"are":[178,195],"vulnerable":[179],"attacks.":[182,200],"We":[183],"also":[184],"present":[185],"unique":[186],"findings":[187],"what":[190],"susceptible":[197],"Finally,":[201],"evaluate":[203],"defenses":[204],"against":[205],"these":[206],"highlight":[209],"future":[210],"directions":[211],"challenges.":[213]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}