{"id":"https://openalex.org/W2811459335","doi":"https://doi.org/10.1142/s0218843018500065","title":"Personalized Trajectory Privacy Protection Method Based on User-Requirement","display_name":"Personalized Trajectory Privacy Protection Method Based on User-Requirement","publication_year":2018,"publication_date":"2018-06-27","ids":{"openalex":"https://openalex.org/W2811459335","doi":"https://doi.org/10.1142/s0218843018500065","mag":"2811459335"},"language":"en","primary_location":{"id":"doi:10.1142/s0218843018500065","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218843018500065","pdf_url":null,"source":{"id":"https://openalex.org/S17147961","display_name":"International Journal of Cooperative Information Systems","issn_l":"0218-8430","issn":["0218-8430","1793-6365"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Cooperative Information 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/A5079387661","display_name":"Zhaowei Hu","orcid":"https://orcid.org/0000-0001-7933-7754"},"institutions":[{"id":"https://openalex.org/I149240348","display_name":"Jilin Normal University","ror":"https://ror.org/00xtsag93","country_code":"CN","type":"education","lineage":["https://openalex.org/I149240348"]},{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhaowei Hu","raw_affiliation_strings":["College of Computer Science and Technology, Harbin Engineering University, Harbin 150001, P. R. China","College of Computer, Jilin Normal University, Siping 136000, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Harbin Engineering University, Harbin 150001, P. R. China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"College of Computer, Jilin Normal University, Siping 136000, P. R. China","institution_ids":["https://openalex.org/I149240348"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100753238","display_name":"Jing Yang","orcid":"https://orcid.org/0000-0001-6646-3401"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing Yang","raw_affiliation_strings":["College of Computer Science and Technology, Harbin Engineering University, Harbin 150001, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Harbin Engineering University, Harbin 150001, P. R. China","institution_ids":["https://openalex.org/I151727225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014514590","display_name":"Jianpei Zhang","orcid":"https://orcid.org/0000-0002-9339-0268"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianpei Zhang","raw_affiliation_strings":["College of Computer Science and Technology, Harbin Engineering University, Harbin 150001, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Harbin Engineering University, Harbin 150001, P. R. China","institution_ids":["https://openalex.org/I151727225"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4914,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.72701502,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"27","issue":"03","first_page":"1850006","last_page":"1850006"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.998199999332428,"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":0.998199999332428,"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":0.9980000257492065,"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/T11045","display_name":"Privacy, Security, and Data Protection","score":0.9937000274658203,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/privacy-protection","display_name":"Privacy protection","score":0.8591099977493286},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8584405183792114},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.6722407341003418},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.5871936082839966},{"id":"https://openalex.org/keywords/privacy-software","display_name":"Privacy software","score":0.5837892293930054},{"id":"https://openalex.org/keywords/euclidean-distance","display_name":"Euclidean distance","score":0.52635657787323},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.44398319721221924},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.43126416206359863},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4287894666194916},{"id":"https://openalex.org/keywords/equivalence","display_name":"Equivalence (formal languages)","score":0.41058409214019775},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.1841854453086853},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1552673578262329},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09411722421646118}],"concepts":[{"id":"https://openalex.org/C3017597292","wikidata":"https://www.wikidata.org/wiki/Q25052250","display_name":"Privacy protection","level":2,"score":0.8591099977493286},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8584405183792114},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.6722407341003418},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.5871936082839966},{"id":"https://openalex.org/C509729295","wikidata":"https://www.wikidata.org/wiki/Q7246032","display_name":"Privacy software","level":3,"score":0.5837892293930054},{"id":"https://openalex.org/C120174047","wikidata":"https://www.wikidata.org/wiki/Q847073","display_name":"Euclidean distance","level":2,"score":0.52635657787323},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.44398319721221924},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.43126416206359863},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4287894666194916},{"id":"https://openalex.org/C2780069185","wikidata":"https://www.wikidata.org/wiki/Q7977945","display_name":"Equivalence (formal languages)","level":2,"score":0.41058409214019775},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.1841854453086853},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1552673578262329},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09411722421646118},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0218843018500065","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218843018500065","pdf_url":null,"source":{"id":"https://openalex.org/S17147961","display_name":"International Journal of Cooperative Information Systems","issn_l":"0218-8430","issn":["0218-8430","1793-6365"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Cooperative Information Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.4300000071525574,"display_name":"Peace, Justice and strong institutions"}],"awards":[{"id":"https://openalex.org/G2547515394","display_name":null,"funder_award_id":"QC2016083","funder_id":"https://openalex.org/F4320313615","funder_display_name":"Heilongjiang Youth Development Foundation"},{"id":"https://openalex.org/G4590914520","display_name":null,"funder_award_id":"F2015030","funder_id":"https://openalex.org/F4320323085","funder_display_name":"Natural Science Foundation of Heilongjiang Province"},{"id":"https://openalex.org/G5300527562","display_name":null,"funder_award_id":"61672179, 61370083, 61402126","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320313615","display_name":"Heilongjiang Youth Development Foundation","ror":null},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320323085","display_name":"Natural Science Foundation of Heilongjiang Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1538497504","https://openalex.org/W2044857719","https://openalex.org/W2110697334","https://openalex.org/W2415041552","https://openalex.org/W2490096848","https://openalex.org/W2521575554","https://openalex.org/W2561569527","https://openalex.org/W2572023483","https://openalex.org/W2593913301","https://openalex.org/W2595094219","https://openalex.org/W2620346068","https://openalex.org/W4251942288"],"related_works":["https://openalex.org/W3022534164","https://openalex.org/W2116878667","https://openalex.org/W3015944045","https://openalex.org/W3013058036","https://openalex.org/W4225340788","https://openalex.org/W2006891491","https://openalex.org/W2086129702","https://openalex.org/W1591172238","https://openalex.org/W4311644739","https://openalex.org/W2972172135"],"abstract_inverted_index":{"Trajectory":[0],"data":[1,56,148,182],"often":[2],"provides":[3],"useful":[4],"information":[5,23],"that":[6,167],"can":[7,24],"be":[8],"utilized":[9],"in":[10,26,134,175],"real-life":[11],"applications,":[12],"such":[13],"as":[14],"traffic":[15],"planning":[16],"and":[17,41,55,98,115,147,150,159,181],"location-based":[18],"advertising.":[19],"Because":[20],"people\u2019s":[21],"trajectory":[22,31,62,112],"result":[25],"serious":[27],"personal":[28],"privacy":[29,32,45,52,63,78,88,99,105,145,157,179],"leakage,":[30],"protection":[33,53,64,79,100,146,158,180],"methods":[34,39,174],"are":[35,120],"employed.":[36],"However,":[37],"existing":[38],"assume":[40],"use":[42],"the":[43,94,136,139,144,152,155,160,168],"same":[44],"requirements":[46,101],"for":[47,81],"all":[48],"trajectories,":[49,140],"which":[50,141],"affect":[51],"efficiency":[54],"utilization.":[57,183],"This":[58],"paper":[59],"proposes":[60],"a":[61,104],"method":[65,92,170],"based":[66],"on":[67],"user":[68],"requirement.":[69],"By":[70],"dividing":[71],"different":[72,77,82],"time":[73,96],"intervals,":[74],"it":[75],"sets":[76],"parameters":[80],"trajectories":[83,119],"to":[84,102,108,122,177],"provide":[85],"more":[86],"detailed":[87],"protection.":[89],"The":[90],"proposed":[91,169],"utilizes":[93],"divided":[95],"intervals":[97],"form":[103,123],"requirement":[106],"matrix,":[107],"construct":[109],"an":[110],"anonymous":[111,124],"equivalence":[113],"class":[114],"undirected":[116],"graph.":[117],"Then,":[118],"processed":[121],"sets.":[125],"Euclidean":[126],"distance":[127,133,137],"is":[128],"also":[129],"replaced":[130],"with":[131],"Manhattan":[132],"calculating":[135],"of":[138],"would":[142],"improve":[143],"utility":[149],"narrow":[151],"gap":[153],"between":[154],"theoretical":[156],"actual":[161],"protective":[162],"effects.":[163],"Comparative":[164],"experiments":[165],"demonstrate":[166],"outperforms":[171],"other":[172],"similar":[173],"regards":[176],"both":[178]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}