{"id":"https://openalex.org/W2143339336","doi":"https://doi.org/10.1109/tits.2011.2158208","title":"OPQ: OT-Based Private Querying in VANETs","display_name":"OPQ: OT-Based Private Querying in VANETs","publication_year":2011,"publication_date":"2011-06-21","ids":{"openalex":"https://openalex.org/W2143339336","doi":"https://doi.org/10.1109/tits.2011.2158208","mag":"2143339336"},"language":"en","primary_location":{"id":"doi:10.1109/tits.2011.2158208","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tits.2011.2158208","pdf_url":null,"source":{"id":"https://openalex.org/S144771191","display_name":"IEEE Transactions on Intelligent Transportation Systems","issn_l":"1524-9050","issn":["1524-9050","1558-0016"],"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 Intelligent Transportation Systems","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/A5108675424","display_name":"Tat Wing Chim","orcid":null},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"T. W. Chim","raw_affiliation_strings":["Department of Computer Science, University of Hong Kong, Pokfulam, Hong Kong, China","Department of Computer Science,  University of Hong Kong, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Hong Kong, Pokfulam, Hong Kong, China","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]},{"raw_affiliation_string":"Department of Computer Science,  University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025130883","display_name":"Siu Ming Yiu","orcid":"https://orcid.org/0000-0002-3975-8500"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"S. M. Yiu","raw_affiliation_strings":["Department of Computer Science, University of Hong Kong, Pokfulam, Hong Kong, China","Department of Computer Science,  University of Hong Kong, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Hong Kong, Pokfulam, Hong Kong, China","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]},{"raw_affiliation_string":"Department of Computer Science,  University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109853326","display_name":"Lucas C. K. Hui","orcid":null},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Lucas C. K. Hui","raw_affiliation_strings":["Department of Computer Science, University of Hong Kong, Pokfulam, Hong Kong, China","Department of Computer Science,  University of Hong Kong, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Hong Kong, Pokfulam, Hong Kong, China","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]},{"raw_affiliation_string":"Department of Computer Science,  University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112524728","display_name":"V.O.K. Li","orcid":null},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Victor O. K. Li","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, University of Hong Kong, Pokfulam, Hong Kong, China","Dept. of Electr. & Electron. Engg, Univ. of Hong Kong, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Hong Kong, Pokfulam, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"Dept. of Electr. & Electron. Engg, Univ. of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5108675424"],"corresponding_institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"],"apc_list":null,"apc_paid":null,"fwci":0.8105,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.77486621,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"12","issue":"4","first_page":"1413","last_page":"1422"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10761","display_name":"Vehicular Ad Hoc Networks (VANETs)","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10761","display_name":"Vehicular Ad Hoc Networks (VANETs)","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9993000030517578,"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/T10246","display_name":"Mobile Ad Hoc Networks","score":0.9980000257492065,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8703598976135254},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.678680419921875},{"id":"https://openalex.org/keywords/vehicular-ad-hoc-network","display_name":"Vehicular ad hoc network","score":0.6064426898956299},{"id":"https://openalex.org/keywords/oblivious-transfer","display_name":"Oblivious transfer","score":0.582545280456543},{"id":"https://openalex.org/keywords/wireless-ad-hoc-network","display_name":"Wireless ad hoc network","score":0.5562435388565063},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.545541524887085},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.5267139077186584},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.5162734985351562},{"id":"https://openalex.org/keywords/mobile-ad-hoc-network","display_name":"Mobile ad hoc network","score":0.4558003544807434},{"id":"https://openalex.org/keywords/mobile-phone","display_name":"Mobile phone","score":0.4436536133289337},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3018662929534912},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.2605237364768982}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8703598976135254},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.678680419921875},{"id":"https://openalex.org/C192448918","wikidata":"https://www.wikidata.org/wiki/Q682677","display_name":"Vehicular ad hoc network","level":4,"score":0.6064426898956299},{"id":"https://openalex.org/C53076038","wikidata":"https://www.wikidata.org/wiki/Q2915383","display_name":"Oblivious transfer","level":3,"score":0.582545280456543},{"id":"https://openalex.org/C94523657","wikidata":"https://www.wikidata.org/wiki/Q4085781","display_name":"Wireless ad hoc network","level":3,"score":0.5562435388565063},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.545541524887085},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.5267139077186584},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.5162734985351562},{"id":"https://openalex.org/C91280400","wikidata":"https://www.wikidata.org/wiki/Q4085781","display_name":"Mobile ad hoc network","level":3,"score":0.4558003544807434},{"id":"https://openalex.org/C2777421447","wikidata":"https://www.wikidata.org/wiki/Q17517","display_name":"Mobile phone","level":2,"score":0.4436536133289337},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3018662929534912},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.2605237364768982},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"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/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","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}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tits.2011.2158208","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tits.2011.2158208","pdf_url":null,"source":{"id":"https://openalex.org/S144771191","display_name":"IEEE Transactions on Intelligent Transportation Systems","issn_l":"1524-9050","issn":["1524-9050","1558-0016"],"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 Intelligent Transportation Systems","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.933.1716","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.933.1716","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://hub.hku.hk/bitstream/10722/140798/1/Content.pdf","raw_type":"text"},{"id":"pmh:oai:hub.hku.hk:10722/140798","is_oa":false,"landing_page_url":"http://hdl.handle.net/10722/140798","pdf_url":null,"source":{"id":"https://openalex.org/S4377196271","display_name":"The HKU Scholars Hub (University of Hong Kong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I889458895","host_organization_name":"University of Hong Kong","host_organization_lineage":["https://openalex.org/I889458895"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5799999833106995,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W1610688607","https://openalex.org/W1639305476","https://openalex.org/W1974128211","https://openalex.org/W1996492723","https://openalex.org/W2031618446","https://openalex.org/W2072072832","https://openalex.org/W2076088860","https://openalex.org/W2089959302","https://openalex.org/W2091804958","https://openalex.org/W2100378013","https://openalex.org/W2112049238","https://openalex.org/W2120817761","https://openalex.org/W2123976074","https://openalex.org/W2126962385","https://openalex.org/W2128628587","https://openalex.org/W2128800833","https://openalex.org/W2135825595","https://openalex.org/W2137816999","https://openalex.org/W2145739427","https://openalex.org/W2151800518","https://openalex.org/W2154729675","https://openalex.org/W2156016055","https://openalex.org/W2156581952","https://openalex.org/W2966515193","https://openalex.org/W4249515722","https://openalex.org/W6636423917","https://openalex.org/W6636768002","https://openalex.org/W6673414462","https://openalex.org/W6676490644","https://openalex.org/W6678332140","https://openalex.org/W6766901342","https://openalex.org/W6830664334"],"related_works":["https://openalex.org/W2027636740","https://openalex.org/W3035283282","https://openalex.org/W2062688728","https://openalex.org/W1591014886","https://openalex.org/W2061231656","https://openalex.org/W2551975114","https://openalex.org/W1123412569","https://openalex.org/W2771454953","https://openalex.org/W2025838880","https://openalex.org/W2768875466"],"abstract_inverted_index":{"We":[0,122],"consider":[1],"the":[2,65,83,89,95,110,136,140],"querying":[3,71],"service":[4,16,72],"(e.g.,":[5],"location-based":[6],"query":[7,77],"service)":[8],"in":[9,20,157],"vehicular":[10],"ad":[11,34],"hoc":[12,35],"networks":[13,24,30],"(VANETs).":[14],"Querying":[15],"has":[17],"been":[18],"studied":[19],"various":[21],"kinds":[22],"of":[23,68,91,101,115,139,159],"such":[25],"as":[26],"traditional":[27],"mobile":[28,33],"phone":[29],"and":[31,119,164],"other":[32,99],"networks.":[36,102],"However,":[37],"existing":[38],"schemes":[39],"are":[40],"either":[41],"not":[42,54,79],"suitable":[43],"for":[44,108],"VANETs":[45],"due":[46],"to":[47,82,134,142],"their":[48],"highly":[49],"dynamic":[50],"environment":[51],"or":[52],"do":[53],"provide":[55],"a":[56,70,76,106,143],"privacy-preserving":[57],"solution.":[58],"In":[59],"this":[60],"paper,":[61],"we":[62,86,104,150],"first":[63],"discuss":[64],"security":[66],"concerns":[67],"providing":[69],"that":[73,75,152],"ensures":[74],"will":[78],"be":[80],"linkable":[81],"querier.":[84],"Then,":[85],"briefly":[87],"highlight":[88],"characteristics":[90],"VANETs,":[92],"which":[93],"make":[94],"problem":[96,111],"different":[97],"from":[98],"types":[100],"Finally,":[103],"propose":[105],"solution":[107],"solving":[109],"by":[112],"using":[113],"techniques":[114],"pseudoidentity,":[116],"indistinguishable":[117],"credentials,":[118],"oblivious":[120],"transfer.":[121],"show":[123,151],"that,":[124],"although":[125],"all":[126],"infrastructure":[127],"units":[128],"collude,":[129],"it":[130],"is":[131,155],"still":[132],"impossible":[133],"link":[135],"real":[137],"identity":[138],"user":[141],"query.":[144],"Based":[145],"on":[146],"our":[147,153],"simulation":[148],"study,":[149],"scheme":[154],"effective":[156],"terms":[158],"processing":[160],"delay,":[161],"message":[162],"overhead,":[163],"success":[165],"rate.":[166]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
