{"id":"https://openalex.org/W2775752987","doi":"https://doi.org/10.1109/tifs.2017.2779402","title":"A Geo-Indistinguishable Location Perturbation Mechanism for Location-Based Services Supporting Frequent Queries","display_name":"A Geo-Indistinguishable Location Perturbation Mechanism for Location-Based Services Supporting Frequent Queries","publication_year":2017,"publication_date":"2017-12-04","ids":{"openalex":"https://openalex.org/W2775752987","doi":"https://doi.org/10.1109/tifs.2017.2779402","mag":"2775752987"},"language":"en","primary_location":{"id":"doi:10.1109/tifs.2017.2779402","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tifs.2017.2779402","pdf_url":null,"source":{"id":"https://openalex.org/S61310614","display_name":"IEEE Transactions on Information Forensics and Security","issn_l":"1556-6013","issn":["1556-6013","1556-6021"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Information Forensics and Security","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/A5101950654","display_name":"Jingyu Hua","orcid":"https://orcid.org/0000-0002-6709-4801"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jingyu Hua","raw_affiliation_strings":["Computer Science and Technology Department, Nanjing University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Computer Science and Technology Department, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021538603","display_name":"Wei Tong","orcid":"https://orcid.org/0000-0002-8427-6068"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Tong","raw_affiliation_strings":["Computer Science and Technology Department, Nanjing University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Computer Science and Technology Department, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114549816","display_name":"Fengyuan Xu","orcid":"https://orcid.org/0000-0003-3388-7544"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fengyuan Xu","raw_affiliation_strings":["Computer Science and Technology Department, Nanjing University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Computer Science and Technology Department, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108243981","display_name":"Sheng Zhong","orcid":null},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sheng Zhong","raw_affiliation_strings":["Computer Science and Technology Department, Nanjing University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Computer Science and Technology Department, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5101950654"],"corresponding_institution_ids":["https://openalex.org/I36399199"],"apc_list":null,"apc_paid":null,"fwci":4.7808,"has_fulltext":false,"cited_by_count":74,"citation_normalized_percentile":{"value":0.96001517,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"13","issue":"5","first_page":"1155","last_page":"1168"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9998999834060669,"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/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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"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":0.9926999807357788,"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":0.8393597602844238},{"id":"https://openalex.org/keywords/location-based-service","display_name":"Location-based service","score":0.6967991590499878},{"id":"https://openalex.org/keywords/differential-privacy","display_name":"Differential privacy","score":0.6275632381439209},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.5437548756599426},{"id":"https://openalex.org/keywords/privacy-protection","display_name":"Privacy protection","score":0.5111494660377502},{"id":"https://openalex.org/keywords/k-anonymity","display_name":"k-anonymity","score":0.487344354391098},{"id":"https://openalex.org/keywords/service-provider","display_name":"Service provider","score":0.4444081783294678},{"id":"https://openalex.org/keywords/trace","display_name":"TRACE (psycholinguistics)","score":0.4398777484893799},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.4379558861255646},{"id":"https://openalex.org/keywords/privacy-software","display_name":"Privacy software","score":0.4245035648345947},{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.41291481256484985},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.3753502070903778},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.3491020202636719},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3418691158294678},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.2810794413089752},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.09867933392524719}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8393597602844238},{"id":"https://openalex.org/C155292070","wikidata":"https://www.wikidata.org/wiki/Q1198122","display_name":"Location-based service","level":2,"score":0.6967991590499878},{"id":"https://openalex.org/C23130292","wikidata":"https://www.wikidata.org/wiki/Q5275358","display_name":"Differential privacy","level":2,"score":0.6275632381439209},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5437548756599426},{"id":"https://openalex.org/C3017597292","wikidata":"https://www.wikidata.org/wiki/Q25052250","display_name":"Privacy protection","level":2,"score":0.5111494660377502},{"id":"https://openalex.org/C2777706471","wikidata":"https://www.wikidata.org/wiki/Q17061432","display_name":"k-anonymity","level":3,"score":0.487344354391098},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.4444081783294678},{"id":"https://openalex.org/C75291252","wikidata":"https://www.wikidata.org/wiki/Q1315756","display_name":"TRACE (psycholinguistics)","level":2,"score":0.4398777484893799},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.4379558861255646},{"id":"https://openalex.org/C509729295","wikidata":"https://www.wikidata.org/wiki/Q7246032","display_name":"Privacy software","level":3,"score":0.4245035648345947},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.41291481256484985},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.3753502070903778},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.3491020202636719},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3418691158294678},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.2810794413089752},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.09867933392524719},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","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},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tifs.2017.2779402","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tifs.2017.2779402","pdf_url":null,"source":{"id":"https://openalex.org/S61310614","display_name":"IEEE Transactions on Information Forensics and Security","issn_l":"1556-6013","issn":["1556-6013","1556-6021"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Information Forensics and Security","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5799999833106995,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[{"id":"https://openalex.org/G2328742638","display_name":null,"funder_award_id":"61300235","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5672746888","display_name":null,"funder_award_id":"61402223","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6667581590","display_name":null,"funder_award_id":"61321491","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7181707672","display_name":null,"funder_award_id":"61425024","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320308943","display_name":"Microsoft Research","ror":"https://ror.org/00d0nc645"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W182697965","https://openalex.org/W273988853","https://openalex.org/W764243292","https://openalex.org/W1586209290","https://openalex.org/W1588905725","https://openalex.org/W1593517648","https://openalex.org/W1658920975","https://openalex.org/W1849004785","https://openalex.org/W1873763122","https://openalex.org/W1929645967","https://openalex.org/W1965364415","https://openalex.org/W1994952354","https://openalex.org/W2001347093","https://openalex.org/W2031674781","https://openalex.org/W2035311901","https://openalex.org/W2042469398","https://openalex.org/W2056773559","https://openalex.org/W2064868049","https://openalex.org/W2069388449","https://openalex.org/W2070339221","https://openalex.org/W2082894754","https://openalex.org/W2086863233","https://openalex.org/W2089959302","https://openalex.org/W2096870293","https://openalex.org/W2096899416","https://openalex.org/W2101024939","https://openalex.org/W2102611836","https://openalex.org/W2116347193","https://openalex.org/W2129428954","https://openalex.org/W2136317921","https://openalex.org/W2141854027","https://openalex.org/W2141902405","https://openalex.org/W2149692139","https://openalex.org/W2151553800","https://openalex.org/W2166074149","https://openalex.org/W2169570643","https://openalex.org/W2170166043","https://openalex.org/W2463730913","https://openalex.org/W2483823355","https://openalex.org/W2513202551","https://openalex.org/W2535568985","https://openalex.org/W2552097403","https://openalex.org/W2566989010","https://openalex.org/W2620479485","https://openalex.org/W3106047101","https://openalex.org/W6622207479","https://openalex.org/W6673414462"],"related_works":["https://openalex.org/W2158037536","https://openalex.org/W2996922985","https://openalex.org/W3133956786","https://openalex.org/W1990931566","https://openalex.org/W2758823351","https://openalex.org/W2280961497","https://openalex.org/W2131648439","https://openalex.org/W2088193720","https://openalex.org/W2527932845","https://openalex.org/W2393941753"],"abstract_inverted_index":{"As":[0],"location-based":[1],"services":[2,10],"(LBSs)":[3],"on":[4],"smartphones":[5],"become":[6],"increasingly":[7],"popular,":[8],"such":[9],"are":[11,19,218],"causing":[12],"serious":[13],"privacy":[14,48,56,103,126,142,156,177,202],"concerns,":[15],"because":[16],"many":[17],"users":[18],"unwilling":[20],"to":[21,27,33,82,98,158,173],"see":[22],"their":[23,221],"location":[24,36,100,115,164],"information":[25],"leaked":[26],"service":[28],"providers.":[29],"Recently,":[30],"in":[31],"order":[32],"protect":[34],"users\u2019":[35,84,99],"privacy,":[37],"researchers":[38],"have":[39,79],"introduced":[40],"<italic":[41],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[42],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">geo-indistinguishability</i>":[43],",":[44],"the":[45,102,107,112,129,141,155,162,176,180,195,201,215],"first":[46],"specialized":[47],"model":[49],"for":[50,111,144],"LBSs":[51,145],"that":[52,61,194,214],"can":[53,153,198],"provide":[54],"provable":[55],"guarantees.":[57],"Intuitively,":[58],"geo-indistinguishability":[59,90],"means":[60],"through":[62],"perturbation,":[63],"any":[64],"two":[65,188],"locations":[66],"within":[67],"a":[68,95,122,166],"given":[69],"distance":[70],"produce":[71],"observations":[72],"with":[73,106],"similar":[74],"distributions,":[75],"and":[76,118,204,220],"thus,":[77],"attackers":[78],"no":[80],"way":[81],"learn":[83],"real":[85],"locations.":[86],"However,":[87],"even":[88],"if":[89],"is":[91,121,133,183,223],"achieved,":[92],"there":[93,120],"remains":[94],"significant":[96],"threat":[97],"privacy:":[101],"consumption":[104],"increases":[105],"number":[108,130],"of":[109,125,131],"queries":[110,132],"existing":[113],"geo-indistinguishable":[114,150],"perturbation":[116],"mechanism,":[117],"therefore,":[119],"high":[123],"risk":[124],"violation":[127],"when":[128,161,179],"not":[134,184],"small.":[135],"In":[136],"this":[137],"paper,":[138],"we":[139],"enhance":[140],"protection":[143],"by":[146],"proposing":[147],"an":[148,171],"improved":[149],"mechanism.":[151],"It":[152],"reduce":[154,175],"costs":[157,178],"almost":[159],"0":[160],"user\u2019s":[163],"satisfies":[165],"condition.":[167],"We":[168],"also":[169,212],"present":[170],"improvement":[172],"further":[174],"above":[181],"condition":[182],"satisfied.":[185],"Evaluations":[186],"upon":[187],"public":[189],"trace":[190],"data":[191],"sets":[192],"show":[193,213],"proposed":[196,216],"mechanisms":[197,217],"dramatically":[199],"save":[200],"budget":[203],"thus":[205],"support":[206],"much":[207],"more":[208],"queries.":[209],"The":[210],"results":[211],"efficient,":[219],"performance":[222],"controllable.":[224]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":18},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":15},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":5}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}