{"id":"https://openalex.org/W2069388449","doi":"https://doi.org/10.1145/1620545.1620550","title":"Privately querying location-based services with SybilQuery","display_name":"Privately querying location-based services with SybilQuery","publication_year":2009,"publication_date":"2009-09-30","ids":{"openalex":"https://openalex.org/W2069388449","doi":"https://doi.org/10.1145/1620545.1620550","mag":"2069388449"},"language":"en","primary_location":{"id":"doi:10.1145/1620545.1620550","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1620545.1620550","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 11th international conference on Ubiquitous computing","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.7282/t3fj2m6j","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5020786584","display_name":"Pravin Shankar","orcid":null},"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":true,"raw_author_name":"Pravin Shankar","raw_affiliation_strings":["Rutgers University, Piscataway, NJ, USA","Rutgers University , Piscataway, NJ , USA ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Rutgers University, Piscataway, NJ, USA","institution_ids":["https://openalex.org/I102322142"]},{"raw_affiliation_string":"Rutgers University , Piscataway, NJ , USA ,","institution_ids":["https://openalex.org/I102322142"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003010093","display_name":"Vinod Ganapathy","orcid":"https://orcid.org/0000-0003-3001-0800"},"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":"Vinod Ganapathy","raw_affiliation_strings":["Rutgers University, Piscataway, NJ, USA","Rutgers University , Piscataway, NJ , USA ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Rutgers University, Piscataway, NJ, USA","institution_ids":["https://openalex.org/I102322142"]},{"raw_affiliation_string":"Rutgers University , Piscataway, NJ , USA ,","institution_ids":["https://openalex.org/I102322142"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083907939","display_name":"Liviu Iftode","orcid":null},"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":"Liviu Iftode","raw_affiliation_strings":["Rutgers University, Piscataway, NJ, USA","Rutgers University , Piscataway, NJ , USA ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Rutgers University, Piscataway, NJ, USA","institution_ids":["https://openalex.org/I102322142"]},{"raw_affiliation_string":"Rutgers University , Piscataway, NJ , USA ,","institution_ids":["https://openalex.org/I102322142"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5020786584"],"corresponding_institution_ids":["https://openalex.org/I102322142"],"apc_list":null,"apc_paid":null,"fwci":9.9612,"has_fulltext":false,"cited_by_count":131,"citation_normalized_percentile":{"value":0.98141018,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"31","last_page":"40"},"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/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":0.9975000023841858,"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/T10237","display_name":"Cryptography and Data Security","score":0.9965000152587891,"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":0.8574318885803223},{"id":"https://openalex.org/keywords/location-based-service","display_name":"Location-based service","score":0.7013022899627686},{"id":"https://openalex.org/keywords/k-anonymity","display_name":"k-anonymity","score":0.6814800500869751},{"id":"https://openalex.org/keywords/anonymity","display_name":"Anonymity","score":0.6380449533462524},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5624485015869141},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.5519185662269592},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.49457427859306335},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.450738787651062},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.4488150477409363},{"id":"https://openalex.org/keywords/client-side","display_name":"Client-side","score":0.4239340126514435},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.36661607027053833},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.32768720388412476},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.32462817430496216},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.2767403721809387}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8574318885803223},{"id":"https://openalex.org/C155292070","wikidata":"https://www.wikidata.org/wiki/Q1198122","display_name":"Location-based service","level":2,"score":0.7013022899627686},{"id":"https://openalex.org/C2777706471","wikidata":"https://www.wikidata.org/wiki/Q17061432","display_name":"k-anonymity","level":3,"score":0.6814800500869751},{"id":"https://openalex.org/C178005623","wikidata":"https://www.wikidata.org/wiki/Q308859","display_name":"Anonymity","level":2,"score":0.6380449533462524},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5624485015869141},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.5519185662269592},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.49457427859306335},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.450738787651062},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.4488150477409363},{"id":"https://openalex.org/C202477664","wikidata":"https://www.wikidata.org/wiki/Q1352449","display_name":"Client-side","level":2,"score":0.4239340126514435},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.36661607027053833},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.32768720388412476},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.32462817430496216},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.2767403721809387},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1145/1620545.1620550","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1620545.1620550","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 11th international conference on Ubiquitous computing","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.535.3749","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.535.3749","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.rutgers.edu/~vinodg/papers/technical_reports/tr652/tr652.pdf","raw_type":"text"},{"id":"pmh:oai:alma.01RUT_INST:11643419420004646","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":""},{"id":"pmh:oai:alma.01RUT_INST:11643419420004646","is_oa":false,"landing_page_url":"https://scholarship.libraries.rutgers.edu/esploro/outputs/technicalDocumentation/Privately-Querying-Location-based-Services-with-SybilQuery/991031549911004646","pdf_url":null,"source":{"id":"https://openalex.org/S4210197018","display_name":"View","issn_l":"2688-268X","issn":["2688-268X","2688-3988"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},{"id":"doi:10.7282/t3fj2m6j","is_oa":true,"landing_page_url":"https://doi.org/10.7282/t3fj2m6j","pdf_url":null,"source":{"id":"https://openalex.org/S4306401388","display_name":"Rutgers University Community Repository (Rutgers University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I102322142","host_organization_name":"Rutgers, The State University of New Jersey","host_organization_lineage":["https://openalex.org/I102322142"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.7282/t3fj2m6j","is_oa":true,"landing_page_url":"https://doi.org/10.7282/t3fj2m6j","pdf_url":null,"source":{"id":"https://openalex.org/S4306401388","display_name":"Rutgers University Community Repository (Rutgers University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I102322142","host_organization_name":"Rutgers, The State University of New Jersey","host_organization_lineage":["https://openalex.org/I102322142"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.49000000953674316}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W1543039562","https://openalex.org/W1544471796","https://openalex.org/W1636578950","https://openalex.org/W1689932539","https://openalex.org/W1967551653","https://openalex.org/W1978884755","https://openalex.org/W2008196645","https://openalex.org/W2030083507","https://openalex.org/W2056773559","https://openalex.org/W2074149673","https://openalex.org/W2089959302","https://openalex.org/W2096899416","https://openalex.org/W2101024939","https://openalex.org/W2102611836","https://openalex.org/W2115485256","https://openalex.org/W2119055825","https://openalex.org/W2119067110","https://openalex.org/W2125613938","https://openalex.org/W2128800833","https://openalex.org/W2133990233","https://openalex.org/W2134167315","https://openalex.org/W2134479759","https://openalex.org/W2136114025","https://openalex.org/W2139211263","https://openalex.org/W2141854027","https://openalex.org/W2149692139","https://openalex.org/W2150447982","https://openalex.org/W2154592552","https://openalex.org/W2154654620","https://openalex.org/W2157855380","https://openalex.org/W2159024459","https://openalex.org/W2160240805","https://openalex.org/W2253805791","https://openalex.org/W2613648655","https://openalex.org/W2911978475","https://openalex.org/W4255574744","https://openalex.org/W6691852628"],"related_works":["https://openalex.org/W1984462879","https://openalex.org/W2464320976","https://openalex.org/W2350392865","https://openalex.org/W2371135995","https://openalex.org/W3009535361","https://openalex.org/W1540218125","https://openalex.org/W2071358357","https://openalex.org/W4323043882","https://openalex.org/W2623821580","https://openalex.org/W2069388449"],"abstract_inverted_index":{"To":[0],"usefully":[1],"query":[2,17,55,70,93],"a":[3,6,46,60,80],"location-based":[4,56,75],"service,":[5],"mobile":[7],"device":[8],"must":[9],"typically":[10],"present":[11],"its":[12,16],"own":[13],"location":[14],"in":[15,115],"to":[18,26,30,53,88],"the":[19,32,40,72,91,95,116],"server.":[20],"This":[21,37],"may":[22],"not":[23],"be":[24],"acceptable":[25],"clients":[27],"that":[28,63,124,132],"wish":[29],"protect":[31],"privacy":[33],"of":[34,44,82,105,111],"their":[35],"location.":[36],"paper":[38],"presents":[39],"design":[41],"and":[42,49,85,94,131],"implementation":[43,104],"SybilQuery,":[45],"fully":[47],"decentralized":[48],"autonomous":[50],"k-anonymization-based":[51],"scheme":[52],"privately":[54],"services.":[57],"SybilQuery":[58,106,125],"is":[59,77,86],"client-side":[61],"tool":[62],"generates":[64],"k-1":[65],"Sybil":[66,96,129],"queries":[67,84,130,134],"for":[68],"each":[69],"by":[71],"client.":[73],"The":[74],"server":[76],"presented":[78],"with":[79],"set":[81],"k":[83],"unable":[87],"distinguish":[89],"between":[90],"client's":[92],"queries,":[97],"thereby":[98],"achieving":[99],"k-anonymity.":[100],"We":[101],"tested":[102],"our":[103],"on":[107],"real":[108,138],"mobility":[109],"traces":[110],"approximately":[112],"500":[113],"cabs":[114],"San":[117],"Francisco":[118],"Bay":[119],"area.":[120],"Our":[121],"experiments":[122],"show":[123],"can":[126],"efficiently":[127],"generate":[128],"these":[133],"are":[135],"indistinguishable":[136],"from":[137],"queries.":[139]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":11},{"year":2018,"cited_by_count":18},{"year":2017,"cited_by_count":12},{"year":2016,"cited_by_count":9},{"year":2015,"cited_by_count":19},{"year":2014,"cited_by_count":10},{"year":2013,"cited_by_count":13},{"year":2012,"cited_by_count":10}],"updated_date":"2026-05-07T13:39:58.223016","created_date":"2025-10-10T00:00:00"}
