{"id":"https://openalex.org/W3036082508","doi":"https://doi.org/10.1093/comjnl/bxaa043","title":"New Blind Filter Protocol: An Improved Privacy-Preserving Scheme for Location-Based Services","display_name":"New Blind Filter Protocol: An Improved Privacy-Preserving Scheme for Location-Based Services","publication_year":2020,"publication_date":"2020-05-21","ids":{"openalex":"https://openalex.org/W3036082508","doi":"https://doi.org/10.1093/comjnl/bxaa043","mag":"3036082508"},"language":"en","primary_location":{"id":"doi:10.1093/comjnl/bxaa043","is_oa":false,"landing_page_url":"https://doi.org/10.1093/comjnl/bxaa043","pdf_url":null,"source":{"id":"https://openalex.org/S44643521","display_name":"The Computer Journal","issn_l":"0010-4620","issn":["0010-4620","1460-2067"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Computer Journal","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/A5101398090","display_name":"Zhidan Li","orcid":"https://orcid.org/0000-0002-5761-3997"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhidan Li","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003153613","display_name":"Wenmin Li","orcid":"https://orcid.org/0000-0002-1278-1735"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wenmin Li","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050423562","display_name":"Fei Gao","orcid":"https://orcid.org/0000-0002-1546-4364"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fei Gao","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100623508","display_name":"Ping Yu","orcid":"https://orcid.org/0000-0002-8913-873X"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ping Yu","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100408679","display_name":"Hua Zhang","orcid":"https://orcid.org/0000-0002-0532-9783"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hua Zhang","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000464600","display_name":"Zhengping Jin","orcid":"https://orcid.org/0000-0002-1468-4701"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhengping Jin","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071607720","display_name":"Qiaoyan Wen","orcid":"https://orcid.org/0000-0001-7142-9726"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiaoyan Wen","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Haidian District, Beijing 100876, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5003153613"],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":{"value":2635,"currency":"GBP","value_usd":3232},"apc_paid":null,"fwci":0.5302,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.72242955,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"63","issue":"12","first_page":"1886","last_page":"1903"},"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/T10237","display_name":"Cryptography and Data Security","score":0.9997000098228455,"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":0.9993000030517578,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8473855257034302},{"id":"https://openalex.org/keywords/proxy","display_name":"Proxy (statistics)","score":0.5870817303657532},{"id":"https://openalex.org/keywords/service-provider","display_name":"Service provider","score":0.5861418843269348},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5799130201339722},{"id":"https://openalex.org/keywords/protocol","display_name":"Protocol (science)","score":0.5482960939407349},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.506813108921051},{"id":"https://openalex.org/keywords/location-based-service","display_name":"Location-based service","score":0.49319928884506226},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4790595471858978},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.4285946786403656},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.3587700128555298}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8473855257034302},{"id":"https://openalex.org/C2780148112","wikidata":"https://www.wikidata.org/wiki/Q1432581","display_name":"Proxy (statistics)","level":2,"score":0.5870817303657532},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.5861418843269348},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5799130201339722},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.5482960939407349},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.506813108921051},{"id":"https://openalex.org/C155292070","wikidata":"https://www.wikidata.org/wiki/Q1198122","display_name":"Location-based service","level":2,"score":0.49319928884506226},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4790595471858978},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.4285946786403656},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.3587700128555298},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","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},{"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/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","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/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1093/comjnl/bxaa043","is_oa":false,"landing_page_url":"https://doi.org/10.1093/comjnl/bxaa043","pdf_url":null,"source":{"id":"https://openalex.org/S44643521","display_name":"The Computer Journal","issn_l":"0010-4620","issn":["0010-4620","1460-2067"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Computer Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G128044982","display_name":null,"funder_award_id":"2019XD-A01","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G2511961424","display_name":null,"funder_award_id":"61672110","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5010162753","display_name":null,"funder_award_id":"61972048","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G638354172","display_name":null,"funder_award_id":"61671082","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6630218817","display_name":null,"funder_award_id":"61976024","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W153677436","https://openalex.org/W1532761024","https://openalex.org/W1966517804","https://openalex.org/W1994292329","https://openalex.org/W2028274834","https://openalex.org/W2031535482","https://openalex.org/W2044986123","https://openalex.org/W2047967489","https://openalex.org/W2056773559","https://openalex.org/W2089959302","https://openalex.org/W2096899416","https://openalex.org/W2108072891","https://openalex.org/W2116347193","https://openalex.org/W2116626915","https://openalex.org/W2131177460","https://openalex.org/W2134479759","https://openalex.org/W2148797863","https://openalex.org/W2149692139","https://openalex.org/W2154592552","https://openalex.org/W2157855380","https://openalex.org/W2170166043","https://openalex.org/W2314036359","https://openalex.org/W2342159830","https://openalex.org/W2525318265","https://openalex.org/W2532157997","https://openalex.org/W2546966125","https://openalex.org/W2604458809","https://openalex.org/W2606332696","https://openalex.org/W2622005089","https://openalex.org/W2794290709","https://openalex.org/W2894027578","https://openalex.org/W2944649363","https://openalex.org/W6631755328","https://openalex.org/W6650585210","https://openalex.org/W6658310657","https://openalex.org/W6675506999","https://openalex.org/W6677668092","https://openalex.org/W6680187243","https://openalex.org/W6728406263","https://openalex.org/W6736076808"],"related_works":["https://openalex.org/W2028495302","https://openalex.org/W2002261065","https://openalex.org/W4249498729","https://openalex.org/W1513656766","https://openalex.org/W1967083444","https://openalex.org/W2160863446","https://openalex.org/W2106866459","https://openalex.org/W2361609491","https://openalex.org/W2017617306","https://openalex.org/W4386260070"],"abstract_inverted_index":{"Abstract":[0],"Location-based":[1],"services":[2],"have":[3],"attracted":[4],"much":[5],"attention":[6],"in":[7,164],"both":[8],"academia":[9],"and":[10,47,118,133,152,162,169],"industry.":[11],"However,":[12,53],"protecting":[13],"user\u2019s":[14,98],"privacy":[15],"while":[16],"providing":[17],"accurate":[18],"service":[19,109],"for":[20],"users":[21,136],"remains":[22],"challenging.":[23],"In":[24,65],"most":[25],"of":[26,40,50,88,115,125,148,166],"the":[27,45,51,63,97,101,104,107,113,116,119,135,145,157,167],"existing":[28],"research":[29],"works,":[30],"a":[31,41,70,76,80,86,92],"semi-trusted":[32,81],"proxy":[33,82,105],"is":[34,90,127,160],"employed":[35],"to":[36,43,83],"act":[37],"on":[38],"behalf":[39],"user":[42,54,77,117],"minimize":[44],"computation":[46,168],"communication":[48,170],"costs":[49],"user.":[52],"privacy,":[55,58],"e.g.":[56],"location":[57,114],"cannot":[59],"be":[60],"protected":[61],"against":[62],"proxy.":[64],"this":[66,140],"paper,":[67],"we":[68],"design":[69],"new":[71],"blind":[72],"filter":[73],"protocol":[74,159],"where":[75],"can":[78,111,143],"employ":[79],"determine":[84],"whether":[85],"point":[87],"interest":[89],"within":[91],"circular":[93],"area":[94],"centered":[95],"at":[96],"location.":[99],"During":[100],"protocol,":[102],"neither":[103],"nor":[106],"location-based":[108],"provider":[110],"obtain":[112],"query":[120,126],"results.":[121],"Moreover,":[122],"each":[123],"type":[124,147],"controlled":[128],"by":[129],"an":[130],"access":[131,141],"tree":[132,142],"only":[134],"whose":[137],"attributes":[138],"satisfy":[139],"complete":[144],"specific":[146],"query.":[149],"Security":[150],"analysis":[151],"efficiency":[153],"experiments":[154],"validate":[155],"that":[156],"proposed":[158],"secure":[161],"efficient":[163],"terms":[165],"overhead.":[171]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}