{"id":"https://openalex.org/W4415743511","doi":"https://doi.org/10.1109/tvcg.2025.3627644","title":"A Utility-Aware Privacy-Preserving Method for Trajectory Publication","display_name":"A Utility-Aware Privacy-Preserving Method for Trajectory Publication","publication_year":2025,"publication_date":"2025-10-31","ids":{"openalex":"https://openalex.org/W4415743511","doi":"https://doi.org/10.1109/tvcg.2025.3627644","pmid":"https://pubmed.ncbi.nlm.nih.gov/41171675"},"language":"en","primary_location":{"id":"doi:10.1109/tvcg.2025.3627644","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvcg.2025.3627644","pdf_url":null,"source":{"id":"https://openalex.org/S84775595","display_name":"IEEE Transactions on Visualization and Computer Graphics","issn_l":"1077-2626","issn":["1077-2626","1941-0506","2160-9306"],"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 Visualization and Computer Graphics","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"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/A5103101564","display_name":"Ziliang Wu","orcid":"https://orcid.org/0000-0002-2548-3788"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ziliang Wu","raw_affiliation_strings":["State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069363449","display_name":"Xumeng Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I205237279","display_name":"Nankai University","ror":"https://ror.org/01y1kjr75","country_code":"CN","type":"education","lineage":["https://openalex.org/I205237279"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xumeng Wang","raw_affiliation_strings":["DISSec, Nankai University, Tianjin, China"],"affiliations":[{"raw_affiliation_string":"DISSec, Nankai University, Tianjin, China","institution_ids":["https://openalex.org/I205237279"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036782759","display_name":"Zhaosong Huang","orcid":"https://orcid.org/0000-0003-0354-8365"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhaosong Huang","raw_affiliation_strings":["State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007463921","display_name":"Tiansheng Zhang","orcid":"https://orcid.org/0000-0002-8977-6117"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tiansheng Zhang","raw_affiliation_strings":["State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010441587","display_name":"Minfeng Zhu","orcid":"https://orcid.org/0000-0002-6711-3099"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minfeng Zhu","raw_affiliation_strings":["Zhejiang University, Hangzhou, China","State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035676193","display_name":"Xiuqi Huang","orcid":"https://orcid.org/0009-0004-4443-1555"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiuqi Huang","raw_affiliation_strings":["State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113185011","display_name":"Mingliang Xu","orcid":null},"institutions":[{"id":"https://openalex.org/I38877650","display_name":"Zhengzhou University","ror":"https://ror.org/04ypx8c21","country_code":"CN","type":"education","lineage":["https://openalex.org/I38877650"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mingliang Xu","raw_affiliation_strings":["School of Computer and Artificial Intelligence, Zhengzhou University, Zhengzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Artificial Intelligence, Zhengzhou University, Zhengzhou, China","institution_ids":["https://openalex.org/I38877650"]}]},{"author_position":"last","author":{"id":null,"display_name":"Wei Chen","orcid":"https://orcid.org/0000-0002-8365-4741"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Chen","raw_affiliation_strings":["State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"State Key Lab of CAD & CG, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5103101564"],"corresponding_institution_ids":["https://openalex.org/I76130692"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.16545723,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"32","issue":"2","first_page":"2366","last_page":"2378"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.4108999967575073,"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":0.4108999967575073,"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":0.24050000309944153,"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/T11106","display_name":"Data Management and Algorithms","score":0.14380000531673431,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/trajectory","display_name":"Trajectory","score":0.8878999948501587},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.6269000172615051},{"id":"https://openalex.org/keywords/differential-privacy","display_name":"Differential privacy","score":0.6089000105857849},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.503000020980835},{"id":"https://openalex.org/keywords/data-publishing","display_name":"Data publishing","score":0.4377000033855438},{"id":"https://openalex.org/keywords/interface","display_name":"Interface (matter)","score":0.37689998745918274},{"id":"https://openalex.org/keywords/visualization","display_name":"Visualization","score":0.3749000132083893}],"concepts":[{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.8878999948501587},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8348000049591064},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.6269000172615051},{"id":"https://openalex.org/C23130292","wikidata":"https://www.wikidata.org/wiki/Q5275358","display_name":"Differential privacy","level":2,"score":0.6089000105857849},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.503000020980835},{"id":"https://openalex.org/C2781396290","wikidata":"https://www.wikidata.org/wiki/Q17051824","display_name":"Data publishing","level":3,"score":0.4377000033855438},{"id":"https://openalex.org/C113843644","wikidata":"https://www.wikidata.org/wiki/Q901882","display_name":"Interface (matter)","level":4,"score":0.37689998745918274},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.3749000132083893},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.3587000072002411},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3562000095844269},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.34439998865127563},{"id":"https://openalex.org/C93226319","wikidata":"https://www.wikidata.org/wiki/Q193137","display_name":"Differential (mechanical device)","level":2,"score":0.3082999885082245},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.30239999294281006},{"id":"https://openalex.org/C172367668","wikidata":"https://www.wikidata.org/wiki/Q6504956","display_name":"Data visualization","level":3,"score":0.29660001397132874},{"id":"https://openalex.org/C89505385","wikidata":"https://www.wikidata.org/wiki/Q47146","display_name":"User interface","level":2,"score":0.2964000105857849},{"id":"https://openalex.org/C511192102","wikidata":"https://www.wikidata.org/wiki/Q5156948","display_name":"Comprehension","level":2,"score":0.28929999470710754},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2824999988079071},{"id":"https://openalex.org/C150140777","wikidata":"https://www.wikidata.org/wiki/Q960648","display_name":"Point of interest","level":2,"score":0.28119999170303345},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.26919999718666077},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.25600001215934753}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tvcg.2025.3627644","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvcg.2025.3627644","pdf_url":null,"source":{"id":"https://openalex.org/S84775595","display_name":"IEEE Transactions on Visualization and Computer Graphics","issn_l":"1077-2626","issn":["1077-2626","1941-0506","2160-9306"],"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 Visualization and Computer Graphics","raw_type":"journal-article"},{"id":"pmid:41171675","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/41171675","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on visualization and computer graphics","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3405827317","display_name":null,"funder_award_id":"62421003","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4021816490","display_name":null,"funder_award_id":"62302435","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5662739716","display_name":null,"funder_award_id":"62202244","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8783846746","display_name":null,"funder_award_id":"62132017","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"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":72,"referenced_works":["https://openalex.org/W155674873","https://openalex.org/W1588905725","https://openalex.org/W1827315716","https://openalex.org/W1967562704","https://openalex.org/W1968752677","https://openalex.org/W1987971958","https://openalex.org/W1988726303","https://openalex.org/W1990444226","https://openalex.org/W1994952354","https://openalex.org/W2005107218","https://openalex.org/W2010362518","https://openalex.org/W2015569667","https://openalex.org/W2021497016","https://openalex.org/W2021705019","https://openalex.org/W2024021429","https://openalex.org/W2056638635","https://openalex.org/W2068177306","https://openalex.org/W2075364600","https://openalex.org/W2076943964","https://openalex.org/W2078101615","https://openalex.org/W2082894754","https://openalex.org/W2095759957","https://openalex.org/W2096899416","https://openalex.org/W2108215372","https://openalex.org/W2112738128","https://openalex.org/W2134167315","https://openalex.org/W2136114025","https://openalex.org/W2141596757","https://openalex.org/W2153207204","https://openalex.org/W2176149189","https://openalex.org/W2245706161","https://openalex.org/W2294628100","https://openalex.org/W2322990480","https://openalex.org/W2323121671","https://openalex.org/W2345660504","https://openalex.org/W2519614654","https://openalex.org/W2558750989","https://openalex.org/W2595094219","https://openalex.org/W2600865830","https://openalex.org/W2752870980","https://openalex.org/W2754406527","https://openalex.org/W2767283118","https://openalex.org/W2769903624","https://openalex.org/W2791677100","https://openalex.org/W2888276855","https://openalex.org/W2888919756","https://openalex.org/W2889329275","https://openalex.org/W2895224869","https://openalex.org/W2907035731","https://openalex.org/W2951101096","https://openalex.org/W2952568980","https://openalex.org/W2963062476","https://openalex.org/W2969392396","https://openalex.org/W3000465071","https://openalex.org/W3003710153","https://openalex.org/W3037325625","https://openalex.org/W3129357966","https://openalex.org/W3166245994","https://openalex.org/W3175150328","https://openalex.org/W3210146132","https://openalex.org/W3211363117","https://openalex.org/W3214702028","https://openalex.org/W4229026610","https://openalex.org/W4280643519","https://openalex.org/W4285193281","https://openalex.org/W4297460875","https://openalex.org/W4319303095","https://openalex.org/W4384563135","https://openalex.org/W4389399305","https://openalex.org/W4390485229","https://openalex.org/W4402401869","https://openalex.org/W4402450807"],"related_works":[],"abstract_inverted_index":{"The":[0],"security":[1],"of":[2,43,145,166],"individual":[3],"privacy":[4,71,129,132,156],"is":[5,14],"paramount":[6],"for":[7],"trajectory":[8,12,32,79,89],"publication,":[9],"while":[10],"preserving":[11],"utility":[13,61,85,98],"also":[15,135],"essential":[16],"to":[17,92,95,115,140],"serve":[18],"analysis":[19],"tasks":[20],"such":[21],"as":[22],"urban":[23,161],"planning":[24],"and":[25,30,72,107,118,143],"transportation":[26],"development.":[27],"To":[28],"assess":[29],"maintain":[31],"utility,":[33],"existing":[34],"studies":[35],"consider":[36],"geographic":[37],"context.":[38],"However,":[39],"innate":[40],"semantic":[41],"characteristics":[42],"trajectories":[44,103],"(e.g.,":[45],"origin,":[46],"destination,":[47],"stay":[48],"point,":[49],"path)":[50],"have":[51],"been":[52],"overlooked,":[53],"which":[54,87,149],"prevents":[55],"data":[56],"owners":[57],"from":[58,65],"specifying":[59],"task-specific":[60],"measurements":[62],"and,":[63],"consequently,":[64],"achieving":[66],"a":[67,137],"delicate":[68],"balance":[69],"between":[70],"utility.":[73],"This":[74],"paper":[75],"proposes":[76],"an":[77],"interactive":[78],"publishing":[80],"approach":[81],"driven":[82],"by":[83],"flexible":[84],"considerations,":[86],"processes":[88],"points":[90],"according":[91],"their":[93],"semantics":[94],"fulfill":[96],"diverse":[97],"requirements.":[99],"Concretely,":[100],"we":[101,150],"decouple":[102],"into":[104,113,154],"origin-destination":[105],"(OD)":[106],"path":[108],"components:":[109],"ODs":[110],"are":[111,120],"generalized":[112],"regions":[114],"satisfy":[116],"$k$k-anonymity,":[117],"paths":[119],"sanitized":[121],"within":[122],"each":[123],"OD":[124],"group":[125],"using":[126],"road-network-aware":[127],"differential":[128],"under":[130],"predefined":[131],"constraints.":[133],"We":[134],"develop":[136],"visual":[138],"interface":[139],"support":[141],"exploration":[142],"comprehension":[144],"privacy-preserving":[146],"solutions,":[147],"through":[148],"incorporate":[151],"human":[152],"knowledge":[153],"the":[155,164],"scheme.":[157],"Experiments":[158],"on":[159],"real-world":[160],"datasets":[162],"demonstrate":[163],"effectiveness":[165],"our":[167],"approach.":[168]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-31T00:00:00"}