{"id":"https://openalex.org/W3209731294","doi":"https://doi.org/10.1080/09540091.2021.1993137","title":"Privacy-preserving location-based traffic density monitoring","display_name":"Privacy-preserving location-based traffic density monitoring","publication_year":2021,"publication_date":"2021-10-27","ids":{"openalex":"https://openalex.org/W3209731294","doi":"https://doi.org/10.1080/09540091.2021.1993137","mag":"3209731294"},"language":"en","primary_location":{"id":"doi:10.1080/09540091.2021.1993137","is_oa":true,"landing_page_url":"https://doi.org/10.1080/09540091.2021.1993137","pdf_url":null,"source":{"id":"https://openalex.org/S4210188800","display_name":"Connection Science","issn_l":"0954-0091","issn":["0954-0091","1360-0494"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Connection Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1080/09540091.2021.1993137","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5086960920","display_name":"Lei Wu","orcid":"https://orcid.org/0000-0002-2691-0243"},"institutions":[{"id":"https://openalex.org/I28006308","display_name":"Shandong Normal University","ror":"https://ror.org/01wy3h363","country_code":"CN","type":"education","lineage":["https://openalex.org/I28006308"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Lei Wu","raw_affiliation_strings":["School of Information Science and Engineering, Shandong Normal University, Jinan, People's Republic of China","Shandong Provincial Key Laboratory for Novel Distributed Computer Software Technology, Jinan, People's Republic of China"],"raw_orcid":"https://orcid.org/0000-0002-2691-0243","affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Shandong Normal University, Jinan, People's Republic of China","institution_ids":["https://openalex.org/I28006308"]},{"raw_affiliation_string":"Shandong Provincial Key Laboratory for Novel Distributed Computer Software Technology, Jinan, People's Republic of China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104089380","display_name":"Xia Wei","orcid":null},"institutions":[{"id":"https://openalex.org/I28006308","display_name":"Shandong Normal University","ror":"https://ror.org/01wy3h363","country_code":"CN","type":"education","lineage":["https://openalex.org/I28006308"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xia Wei","raw_affiliation_strings":["School of Information Science and Engineering, Shandong Normal University, Jinan, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Shandong Normal University, Jinan, People's Republic of China","institution_ids":["https://openalex.org/I28006308"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019030096","display_name":"Lingzhen Meng","orcid":null},"institutions":[{"id":"https://openalex.org/I28006308","display_name":"Shandong Normal University","ror":"https://ror.org/01wy3h363","country_code":"CN","type":"education","lineage":["https://openalex.org/I28006308"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lingzhen Meng","raw_affiliation_strings":["School of Information Science and Engineering, Shandong Normal University, Jinan, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Shandong Normal University, Jinan, People's Republic of China","institution_ids":["https://openalex.org/I28006308"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037347224","display_name":"Shengnan Zhao","orcid":"https://orcid.org/0000-0001-6883-9724"},"institutions":[{"id":"https://openalex.org/I28006308","display_name":"Shandong Normal University","ror":"https://ror.org/01wy3h363","country_code":"CN","type":"education","lineage":["https://openalex.org/I28006308"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shengnan Zhao","raw_affiliation_strings":["School of Information Science and Engineering, Shandong Normal University, Jinan, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Shandong Normal University, Jinan, People's Republic of China","institution_ids":["https://openalex.org/I28006308"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067287220","display_name":"Hao Wang","orcid":"https://orcid.org/0000-0003-3472-3699"},"institutions":[{"id":"https://openalex.org/I28006308","display_name":"Shandong Normal University","ror":"https://ror.org/01wy3h363","country_code":"CN","type":"education","lineage":["https://openalex.org/I28006308"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Wang","raw_affiliation_strings":["School of Information Science and Engineering, Shandong Normal University, Jinan, People's Republic of China","Shandong Provincial Key Laboratory for Novel Distributed Computer Software Technology, Jinan, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Shandong Normal University, Jinan, People's Republic of China","institution_ids":["https://openalex.org/I28006308"]},{"raw_affiliation_string":"Shandong Provincial Key Laboratory for Novel Distributed Computer Software Technology, Jinan, People's Republic of China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5086960920"],"corresponding_institution_ids":["https://openalex.org/I28006308"],"apc_list":{"value":1270,"currency":"USD","value_usd":1270},"apc_paid":{"value":1270,"currency":"USD","value_usd":1270},"fwci":1.6791,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.87225184,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"34","issue":"1","first_page":"874","last_page":"894"},"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":0.9994999766349792,"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/T10761","display_name":"Vehicular Ad Hoc Networks (VANETs)","score":0.9948999881744385,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7743868231773376},{"id":"https://openalex.org/keywords/pseudonym","display_name":"Pseudonym","score":0.7434716820716858},{"id":"https://openalex.org/keywords/upload","display_name":"Upload","score":0.6898404359817505},{"id":"https://openalex.org/keywords/anonymity","display_name":"Anonymity","score":0.5879580974578857},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.5572590231895447},{"id":"https://openalex.org/keywords/service-provider","display_name":"Service provider","score":0.5006091594696045},{"id":"https://openalex.org/keywords/location-based-service","display_name":"Location-based service","score":0.49834585189819336},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4852040112018585},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.4591507315635681},{"id":"https://openalex.org/keywords/personally-identifiable-information","display_name":"Personally identifiable information","score":0.41905999183654785},{"id":"https://openalex.org/keywords/k-anonymity","display_name":"k-anonymity","score":0.4171091616153717},{"id":"https://openalex.org/keywords/location-data","display_name":"Location data","score":0.41177991032600403},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3039827346801758},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.11783692240715027},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.08876484632492065}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7743868231773376},{"id":"https://openalex.org/C2776021475","wikidata":"https://www.wikidata.org/wiki/Q61002","display_name":"Pseudonym","level":2,"score":0.7434716820716858},{"id":"https://openalex.org/C71901391","wikidata":"https://www.wikidata.org/wiki/Q7126699","display_name":"Upload","level":2,"score":0.6898404359817505},{"id":"https://openalex.org/C178005623","wikidata":"https://www.wikidata.org/wiki/Q308859","display_name":"Anonymity","level":2,"score":0.5879580974578857},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5572590231895447},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.5006091594696045},{"id":"https://openalex.org/C155292070","wikidata":"https://www.wikidata.org/wiki/Q1198122","display_name":"Location-based service","level":2,"score":0.49834585189819336},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4852040112018585},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.4591507315635681},{"id":"https://openalex.org/C169093310","wikidata":"https://www.wikidata.org/wiki/Q3702971","display_name":"Personally identifiable information","level":2,"score":0.41905999183654785},{"id":"https://openalex.org/C2777706471","wikidata":"https://www.wikidata.org/wiki/Q17061432","display_name":"k-anonymity","level":3,"score":0.4171091616153717},{"id":"https://openalex.org/C2988186277","wikidata":"https://www.wikidata.org/wiki/Q5915793","display_name":"Location data","level":2,"score":0.41177991032600403},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3039827346801758},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.11783692240715027},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.08876484632492065},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1080/09540091.2021.1993137","is_oa":true,"landing_page_url":"https://doi.org/10.1080/09540091.2021.1993137","pdf_url":null,"source":{"id":"https://openalex.org/S4210188800","display_name":"Connection Science","issn_l":"0954-0091","issn":["0954-0091","1360-0494"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Connection Science","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:922d1eacc14a471ca739bcf883cb5f4a","is_oa":false,"landing_page_url":"https://doaj.org/article/922d1eacc14a471ca739bcf883cb5f4a","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Connection Science, Vol 34, Iss 1, Pp 874-894 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1080/09540091.2021.1993137","is_oa":true,"landing_page_url":"https://doi.org/10.1080/09540091.2021.1993137","pdf_url":null,"source":{"id":"https://openalex.org/S4210188800","display_name":"Connection Science","issn_l":"0954-0091","issn":["0954-0091","1360-0494"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Connection Science","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G170587851","display_name":null,"funder_award_id":"2020CXGC010115","funder_id":"https://openalex.org/F4320329857","funder_display_name":"Major Scientific and Technological Innovation Project of Shandong Province"},{"id":"https://openalex.org/G1750873448","display_name":null,"funder_award_id":"ZR2020KF011","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"},{"id":"https://openalex.org/G3747183465","display_name":"\u4e91\u8ba1\u7b97\u73af\u5883\u4e0b\u9690\u79c1\u6570\u636e\u7684\u67e5\u8be2\u4e0e\u8bbf\u95ee\u63a7\u5236\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"62071280","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6107317301","display_name":null,"funder_award_id":"ZR2020MF056","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320324174","display_name":"Natural Science Foundation of Shandong Province","ror":null},{"id":"https://openalex.org/F4320329857","display_name":"Major Scientific and Technological Innovation Project of Shandong Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W1689932539","https://openalex.org/W1982590063","https://openalex.org/W2031533839","https://openalex.org/W2035311901","https://openalex.org/W2056773559","https://openalex.org/W2074149673","https://openalex.org/W2081383390","https://openalex.org/W2082894754","https://openalex.org/W2125184115","https://openalex.org/W2153457047","https://openalex.org/W2467748160","https://openalex.org/W2557431337","https://openalex.org/W2586234358","https://openalex.org/W2612373372","https://openalex.org/W2625693598","https://openalex.org/W2774641607","https://openalex.org/W2786134370","https://openalex.org/W2793255001","https://openalex.org/W2889467767","https://openalex.org/W2912211337","https://openalex.org/W2940150571","https://openalex.org/W2940358899","https://openalex.org/W2947017710","https://openalex.org/W2972261697","https://openalex.org/W2978622852","https://openalex.org/W2997854921","https://openalex.org/W3002510595","https://openalex.org/W3006543884","https://openalex.org/W3022203467","https://openalex.org/W3023447337","https://openalex.org/W3034112229","https://openalex.org/W3119455763","https://openalex.org/W4200386182","https://openalex.org/W4206307994","https://openalex.org/W4232735549","https://openalex.org/W4238806542","https://openalex.org/W4245142280","https://openalex.org/W4249051918","https://openalex.org/W4252519470","https://openalex.org/W4255999267"],"related_works":["https://openalex.org/W2350392865","https://openalex.org/W2998263314","https://openalex.org/W1557395669","https://openalex.org/W2884799469","https://openalex.org/W1500454936","https://openalex.org/W3099812238","https://openalex.org/W2960787132","https://openalex.org/W2079577400","https://openalex.org/W2588247877","https://openalex.org/W1968064480"],"abstract_inverted_index":{"Traffic":[0],"density":[1,28,74],"monitoring":[2,29,75],"is":[3,30,61],"an":[4],"important":[5],"method":[6,25],"to":[7,17,31,132,162,164,180],"predict":[8],"road":[9],"traffic":[10,27,73],"conditions,":[11],"which":[12,137,169],"can":[13,101,138,170],"bring":[14],"some":[15],"convenience":[16],"people's":[18],"travel":[19],"in":[20],"daily":[21],"life.":[22],"The":[23,99,145],"common":[24],"of":[26,44,52,56,64,93,107,113,127,143,155,159,176,184],"collect":[32],"and":[33,59,82,90,109,191,203],"process":[34],"the":[35,42,87,94,104,110,124,140,150,156,160,165,172,177,181],"location":[36,47,84,91,105,129,134,146,151,158,173,198,204],"information":[37,43,55,89,92],"uploaded":[38],"by":[39,77],"vehicles,":[40],"but":[41],"these":[45],"vehicle":[46,57,161],"contains":[48],"a":[49,62,72,79,83],"large":[50],"amount":[51],"personal":[53],"privacy":[54,65,106,112,174,205],"owners,":[58],"there":[60],"risk":[63],"disclosure.":[66],"In":[67],"this":[68,185],"paper,":[69,186],"we":[70,122],"propose":[71],"system":[76,100,195],"adding":[78],"pseudonym":[80],"server":[81,148],"anonymisation":[85,147],"server;":[86],"identity":[88],"vehicles":[95,108],"are":[96],"saved":[97],"separately.":[98],"protect":[102],"both":[103],"query":[111],"users.":[114],"To":[115],"prevent":[116],"dummy":[117],"locations":[118],"from":[119],"being":[120],"filtered,":[121],"calculate":[123],"probability":[125],"distribution":[126],"historical":[128],"service":[130,167],"requests":[131],"generate":[133],"anonymous":[135,152,199],"sets,":[136],"improve":[139],"success":[141],"rate":[142],"anonymity.":[144],"uses":[149],"set":[153,200],"instead":[154],"real":[157],"send":[163],"location-based":[166],"provider,":[168],"increase":[171],"security":[175],"vehicle.":[178],"According":[179],"experimental":[182],"results":[183],"compared":[187],"with":[188],"SimpMaxMinDistds":[189],"algorithm":[190],"MMDS":[192],"algorithm,":[193],"our":[194],"has":[196],"better":[197],"generation":[201],"efficiency":[202],"protection":[206],"level.":[207]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":4}],"updated_date":"2026-06-06T09:05:17.133730","created_date":"2025-10-10T00:00:00"}