{"id":"https://openalex.org/W4403390715","doi":"https://doi.org/10.1109/tifs.2024.3480712","title":"Generating Location Traces With Semantic- Constrained Local Differential Privacy","display_name":"Generating Location Traces With Semantic- Constrained Local Differential Privacy","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4403390715","doi":"https://doi.org/10.1109/tifs.2024.3480712"},"language":"en","primary_location":{"id":"doi:10.1109/tifs.2024.3480712","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tifs.2024.3480712","pdf_url":null,"source":{"id":"https://openalex.org/S61310614","display_name":"IEEE Transactions on Information Forensics and Security","issn_l":"1556-6013","issn":["1556-6013","1556-6021"],"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 Information Forensics and Security","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/A5043575008","display_name":"Xinyue Sun","orcid":"https://orcid.org/0000-0002-4815-1874"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinyue Sun","raw_affiliation_strings":["School of Cyberspace Science, Faculty of Computing, Harbin Institute of Technology, Harbin, China","School of Cyberspace Science, Harbin Institute of Technology, Harbin, China"],"raw_orcid":"https://orcid.org/0000-0002-4815-1874","affiliations":[{"raw_affiliation_string":"School of Cyberspace Science, Faculty of Computing, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]},{"raw_affiliation_string":"School of Cyberspace Science, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001652101","display_name":"Qingqing Ye","orcid":"https://orcid.org/0000-0003-1547-2847"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Qingqing Ye","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, China","Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0003-1547-2847","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051088560","display_name":"Haibo Hu","orcid":"https://orcid.org/0000-0002-9008-2112"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Haibo Hu","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, China","Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-9008-2112","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029965153","display_name":"Jiawei Duan","orcid":"https://orcid.org/0000-0002-2077-9926"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Jiawei Duan","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, China","Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-2077-9926","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063417015","display_name":"Qiao Xue","orcid":"https://orcid.org/0000-0001-5523-3918"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiao Xue","raw_affiliation_strings":["College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-5523-3918","affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066123431","display_name":"Tianyu Wo","orcid":"https://orcid.org/0000-0002-5331-3364"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianyu Wo","raw_affiliation_strings":["School of Software, Beihang University, Beijing, China","School of Software, Beihang University and Zhongguancun Laboratory, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-5331-3364","affiliations":[{"raw_affiliation_string":"School of Software, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"School of Software, Beihang University and Zhongguancun Laboratory, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085221201","display_name":"Weizhe Zhang","orcid":"https://orcid.org/0000-0003-4783-876X"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weizhe Zhang","raw_affiliation_strings":["School of Cyberspace Science, Faculty of Computing, Harbin Institute of Technology, Harbin, China","School of Cyberspace Science, Harbin Institute of Technology, Harbin, China"],"raw_orcid":"https://orcid.org/0000-0003-4783-876X","affiliations":[{"raw_affiliation_string":"School of Cyberspace Science, Faculty of Computing, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]},{"raw_affiliation_string":"School of Cyberspace Science, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100639079","display_name":"Jie Xu","orcid":"https://orcid.org/0000-0003-4102-233X"},"institutions":[{"id":"https://openalex.org/I130828816","display_name":"University of Leeds","ror":"https://ror.org/024mrxd33","country_code":"GB","type":"education","lineage":["https://openalex.org/I130828816"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Jie Xu","raw_affiliation_strings":["School of Computing, University of Leeds, Leeds, U.K","School of Computing, The University of Leeds, UK"],"raw_orcid":"https://orcid.org/0000-0003-4102-233X","affiliations":[{"raw_affiliation_string":"School of Computing, University of Leeds, Leeds, U.K","institution_ids":["https://openalex.org/I130828816"]},{"raw_affiliation_string":"School of Computing, The University of Leeds, UK","institution_ids":["https://openalex.org/I130828816"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.6859,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.86249349,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"19","issue":null,"first_page":"9850","last_page":"9865"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9988999962806702,"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":0.9988999962806702,"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/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.9277999997138977,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T11045","display_name":"Privacy, Security, and Data Protection","score":0.913100004196167,"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/computer-science","display_name":"Computer science","score":0.8412649631500244},{"id":"https://openalex.org/keywords/differential-privacy","display_name":"Differential privacy","score":0.7443018555641174},{"id":"https://openalex.org/keywords/privacy-protection","display_name":"Privacy protection","score":0.4483529329299927},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.38630211353302},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3352605104446411},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.30563557147979736},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.2713695466518402}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8412649631500244},{"id":"https://openalex.org/C23130292","wikidata":"https://www.wikidata.org/wiki/Q5275358","display_name":"Differential privacy","level":2,"score":0.7443018555641174},{"id":"https://openalex.org/C3017597292","wikidata":"https://www.wikidata.org/wiki/Q25052250","display_name":"Privacy protection","level":2,"score":0.4483529329299927},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.38630211353302},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3352605104446411},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.30563557147979736},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.2713695466518402}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tifs.2024.3480712","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tifs.2024.3480712","pdf_url":null,"source":{"id":"https://openalex.org/S61310614","display_name":"IEEE Transactions on Information Forensics and Security","issn_l":"1556-6013","issn":["1556-6013","1556-6021"],"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 Information Forensics and Security","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","score":0.4699999988079071,"display_name":"Reduced inequalities"}],"awards":[{"id":"https://openalex.org/G5009300850","display_name":null,"funder_award_id":"15208923","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5673535250","display_name":null,"funder_award_id":"15209922","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5980829186","display_name":"Evasive Federated Learning Attacks through Differential Privacy: Mechanisms and Mitigations","funder_award_id":"15209922","funder_id":"https://openalex.org/F4320321592","funder_display_name":"Research Grants Council, University Grants Committee"},{"id":"https://openalex.org/G7479255673","display_name":null,"funder_award_id":"15210023","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G752701465","display_name":null,"funder_award_id":"U22A2036","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7869507203","display_name":null,"funder_award_id":"62402137","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8434173001","display_name":"Small Leaks Sink Great Ships: Data Recovery Attacks and Defense in Local Differential Privacy","funder_award_id":"15208923","funder_id":"https://openalex.org/F4320321592","funder_display_name":"Research Grants Council, University Grants Committee"},{"id":"https://openalex.org/G8632164231","display_name":null,"funder_award_id":"62372122","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8851892224","display_name":"Local Tweaks for Privacy-Preserving Training in Machine Learning at Scale","funder_award_id":"15210023","funder_id":"https://openalex.org/F4320321592","funder_display_name":"Research Grants Council, University Grants Committee"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321592","display_name":"Research Grants Council, University Grants Committee","ror":"https://ror.org/00djwmt25"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":56,"referenced_works":["https://openalex.org/W1601184778","https://openalex.org/W1873763122","https://openalex.org/W1981029888","https://openalex.org/W1986293063","https://openalex.org/W2001347093","https://openalex.org/W2015569667","https://openalex.org/W2027595342","https://openalex.org/W2053801139","https://openalex.org/W2082894754","https://openalex.org/W2108215372","https://openalex.org/W2123820077","https://openalex.org/W2149058896","https://openalex.org/W2245706161","https://openalex.org/W2532967691","https://openalex.org/W2549766072","https://openalex.org/W2766587611","https://openalex.org/W2775752987","https://openalex.org/W2787074751","https://openalex.org/W2794674331","https://openalex.org/W2805092036","https://openalex.org/W2808853068","https://openalex.org/W2809452802","https://openalex.org/W2890836728","https://openalex.org/W2895224869","https://openalex.org/W2930558539","https://openalex.org/W2941195966","https://openalex.org/W2950321888","https://openalex.org/W2963629772","https://openalex.org/W2963881987","https://openalex.org/W2997147031","https://openalex.org/W3023689477","https://openalex.org/W3030047573","https://openalex.org/W3032754641","https://openalex.org/W3113058464","https://openalex.org/W3151471016","https://openalex.org/W3153402319","https://openalex.org/W3193177876","https://openalex.org/W3195971739","https://openalex.org/W3197640018","https://openalex.org/W3198790660","https://openalex.org/W4223549164","https://openalex.org/W4249192582","https://openalex.org/W4283657062","https://openalex.org/W4285247736","https://openalex.org/W4308641900","https://openalex.org/W4319303095","https://openalex.org/W4361798894","https://openalex.org/W4366999098","https://openalex.org/W4381786069","https://openalex.org/W4385262603","https://openalex.org/W4400910525","https://openalex.org/W6681909838","https://openalex.org/W6742396582","https://openalex.org/W6743903931","https://openalex.org/W6763736615","https://openalex.org/W6771351916"],"related_works":["https://openalex.org/W3038283795","https://openalex.org/W3010781909","https://openalex.org/W4200233390","https://openalex.org/W4315705624","https://openalex.org/W2605443953","https://openalex.org/W3116386889","https://openalex.org/W4313218046","https://openalex.org/W2943138144","https://openalex.org/W1604340626","https://openalex.org/W3127289135"],"abstract_inverted_index":{"Valuable":[0],"information":[1],"and":[2,11,23,121,249],"knowledge":[3],"can":[4,170],"be":[5],"learned":[6],"from":[7],"users\u2019":[8,37,210],"location":[9,39,73,84,110,123,163,187,215],"traces":[10,40,85,124,175,200,216],"support":[12],"various":[13,92],"location-based":[14],"applications":[15],"such":[16,48,244],"as":[17,96,245],"intelligent":[18],"traffic":[19],"control,":[20],"incident":[21],"response,":[22],"COVID-19":[24],"contact":[25],"tracing.":[26],"However,":[27],"due":[28],"to":[29,61,72,148,172,197,204,213],"privacy":[30,52,56,131,142,146,153,256],"concerns,":[31,49],"no":[32],"authority":[33],"could":[34],"simply":[35],"collect":[36],"private":[38,186],"for":[41,108,133],"mining":[42],"or":[43],"even":[44],"publishing.":[45],"To":[46],"echo":[47],"local":[50,140],"differential":[51,141],"(LDP)":[53],"enables":[54],"individual":[55],"by":[57,234],"allowing":[58],"each":[59],"user":[60],"report":[62],"a":[63,102,144,150,162,177,185,239],"perturbed":[64,211],"version":[65],"of":[66,83,94,105,119,241],"their":[67,174,199],"data.":[68],"Unfortunately,":[69],"when":[70],"applied":[71],"traces,":[74],"LDP":[75,106],"cannot":[76],"preserve":[77],"the":[78,81,117,205,209,254],"semantics":[79,127],"in":[80,101,176,192,238],"context":[82],"because":[86],"it":[87],"treats":[88],"all":[89],"locations":[90],"(i.e.,":[91],"points":[93],"interest)":[95],"equally":[97],"sensitive.":[98],"This":[99],"results":[100],"low":[103],"utility":[104],"mechanisms":[107],"collecting":[109,120],"traces.":[111],"In":[112],"this":[113],"paper,":[114],"we":[115,160,183],"address":[116],"challenge":[118],"sharing":[122],"with":[125,217],"valuable":[126,218],"while":[128,155],"providing":[129],"sufficient":[130],"protection":[132],"participating":[134],"users.":[135],"We":[136],"first":[137],"propose":[138,184],"semantic-constrained":[139],"(SLDP),":[143],"new":[145],"model":[147],"provide":[149],"provable":[151],"mathematical":[152],"guarantee":[154],"preserving":[156],"desirable":[157],"semantics.":[158,219],"Then,":[159],"design":[161],"trace":[164,188],"perturbation":[165],"mechanism":[166],"(LTPM)":[167],"that":[168,179,227],"users":[169,194],"use":[171,195],"perturb":[173,198],"way":[178],"satisfies":[180],"SLDP.":[181],"Finally,":[182],"synthesis":[189],"(PLTS)":[190],"framework":[191],"which":[193],"LTPM":[196],"before":[201],"sending":[202],"them":[203],"collector,":[206],"who":[207],"aggregates":[208],"data":[212],"generate":[214],"Extensive":[220],"experiments":[221],"on":[222],"three":[223],"real-world":[224,242],"datasets":[225],"demonstrate":[226],"our":[228],"PLTS":[229],"outperforms":[230],"existing":[231],"state-of-the-art":[232],"methods":[233],"at":[235],"least":[236],"21%":[237],"range":[240],"applications,":[243],"spatial":[246],"visiting":[247],"queries":[248],"frequent":[250],"pattern":[251],"mining,":[252],"under":[253],"same":[255],"leakage.":[257]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}
