{"id":"https://openalex.org/W2752805120","doi":"https://doi.org/10.14778/3137765.3137804","title":"LocLok","display_name":"LocLok","publication_year":2017,"publication_date":"2017-08-01","ids":{"openalex":"https://openalex.org/W2752805120","doi":"https://doi.org/10.14778/3137765.3137804","mag":"2752805120"},"language":"en","primary_location":{"id":"doi:10.14778/3137765.3137804","is_oa":false,"landing_page_url":"https://doi.org/10.14778/3137765.3137804","pdf_url":null,"source":{"id":"https://openalex.org/S4210226185","display_name":"Proceedings of the VLDB Endowment","issn_l":"2150-8097","issn":["2150-8097"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the VLDB Endowment","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/A5062535903","display_name":"Yonghui Xiao","orcid":"https://orcid.org/0000-0002-9705-3525"},"institutions":[{"id":"https://openalex.org/I150468666","display_name":"Emory University","ror":"https://ror.org/03czfpz43","country_code":"US","type":"education","lineage":["https://openalex.org/I150468666"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Yonghui Xiao","raw_affiliation_strings":["Emory University"],"affiliations":[{"raw_affiliation_string":"Emory University","institution_ids":["https://openalex.org/I150468666"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078394535","display_name":"Li Xiong","orcid":"https://orcid.org/0000-0001-7354-0428"},"institutions":[{"id":"https://openalex.org/I150468666","display_name":"Emory University","ror":"https://ror.org/03czfpz43","country_code":"US","type":"education","lineage":["https://openalex.org/I150468666"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Li Xiong","raw_affiliation_strings":["Emory University"],"affiliations":[{"raw_affiliation_string":"Emory University","institution_ids":["https://openalex.org/I150468666"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100763912","display_name":"Si Zhang","orcid":"https://orcid.org/0000-0003-0840-6016"},"institutions":[{"id":"https://openalex.org/I31590910","display_name":"Jianghan University","ror":"https://ror.org/041c9x778","country_code":"CN","type":"education","lineage":["https://openalex.org/I31590910"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Si Zhang","raw_affiliation_strings":["Jianghan University, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"Jianghan University, Wuhan, China","institution_ids":["https://openalex.org/I31590910"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082946615","display_name":"Yang Cao","orcid":"https://orcid.org/0000-0002-6424-8633"},"institutions":[{"id":"https://openalex.org/I150468666","display_name":"Emory University","ror":"https://ror.org/03czfpz43","country_code":"US","type":"education","lineage":["https://openalex.org/I150468666"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yang Cao","raw_affiliation_strings":["Emory University"],"affiliations":[{"raw_affiliation_string":"Emory University","institution_ids":["https://openalex.org/I150468666"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5062535903"],"corresponding_institution_ids":["https://openalex.org/I150468666"],"apc_list":null,"apc_paid":null,"fwci":5.4605,"has_fulltext":false,"cited_by_count":53,"citation_normalized_percentile":{"value":0.9660593,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"10","issue":"12","first_page":"1901","last_page":"1904"},"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/T11045","display_name":"Privacy, Security, and Data Protection","score":0.9973999857902527,"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"}},{"id":"https://openalex.org/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.9973000288009644,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7362591028213501},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.6727546453475952},{"id":"https://openalex.org/keywords/cloaking","display_name":"Cloaking","score":0.6540160775184631},{"id":"https://openalex.org/keywords/hidden-markov-model","display_name":"Hidden Markov model","score":0.6209747195243835},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.5855092406272888},{"id":"https://openalex.org/keywords/differential-privacy","display_name":"Differential privacy","score":0.5784260630607605},{"id":"https://openalex.org/keywords/markov-chain","display_name":"Markov chain","score":0.5418248176574707},{"id":"https://openalex.org/keywords/markov-process","display_name":"Markov process","score":0.5223602056503296},{"id":"https://openalex.org/keywords/markov-model","display_name":"Markov model","score":0.5094674229621887},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4480054974555969},{"id":"https://openalex.org/keywords/differential","display_name":"Differential (mechanical device)","score":0.41442179679870605},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3634677231311798},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.21494123339653015},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1933809518814087},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.08513075113296509},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.0820738673210144}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7362591028213501},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.6727546453475952},{"id":"https://openalex.org/C62973154","wikidata":"https://www.wikidata.org/wiki/Q868018","display_name":"Cloaking","level":3,"score":0.6540160775184631},{"id":"https://openalex.org/C23224414","wikidata":"https://www.wikidata.org/wiki/Q176769","display_name":"Hidden Markov model","level":2,"score":0.6209747195243835},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.5855092406272888},{"id":"https://openalex.org/C23130292","wikidata":"https://www.wikidata.org/wiki/Q5275358","display_name":"Differential privacy","level":2,"score":0.5784260630607605},{"id":"https://openalex.org/C98763669","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov chain","level":2,"score":0.5418248176574707},{"id":"https://openalex.org/C159886148","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov process","level":2,"score":0.5223602056503296},{"id":"https://openalex.org/C163836022","wikidata":"https://www.wikidata.org/wiki/Q6771326","display_name":"Markov model","level":3,"score":0.5094674229621887},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4480054974555969},{"id":"https://openalex.org/C93226319","wikidata":"https://www.wikidata.org/wiki/Q193137","display_name":"Differential (mechanical device)","level":2,"score":0.41442179679870605},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3634677231311798},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.21494123339653015},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1933809518814087},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.08513075113296509},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0820738673210144},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C110367647","wikidata":"https://www.wikidata.org/wiki/Q497166","display_name":"Metamaterial","level":2,"score":0.0},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","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:10.14778/3137765.3137804","is_oa":false,"landing_page_url":"https://doi.org/10.14778/3137765.3137804","pdf_url":null,"source":{"id":"https://openalex.org/S4210226185","display_name":"Proceedings of the VLDB Endowment","issn_l":"2150-8097","issn":["2150-8097"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the VLDB Endowment","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.7200000286102295}],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320338279","display_name":"Air Force Office of Scientific Research","ror":"https://ror.org/011e9bt93"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1626398438","https://openalex.org/W2001347093","https://openalex.org/W2015569667","https://openalex.org/W2024844327","https://openalex.org/W2031352156","https://openalex.org/W2082894754","https://openalex.org/W2096899416","https://openalex.org/W2116347193","https://openalex.org/W2117417568","https://openalex.org/W2120911939","https://openalex.org/W2141902405","https://openalex.org/W2212164227","https://openalex.org/W2539944395","https://openalex.org/W2911978475","https://openalex.org/W3103549447","https://openalex.org/W3106047101"],"related_works":["https://openalex.org/W1510894296","https://openalex.org/W2134386692","https://openalex.org/W2082284720","https://openalex.org/W2194396582","https://openalex.org/W2116722627","https://openalex.org/W2379938888","https://openalex.org/W2537260108","https://openalex.org/W4233405330","https://openalex.org/W2176285001","https://openalex.org/W2792905593"],"abstract_inverted_index":{"We":[0,56],"demonstrate":[1],"LocLok,":[2],"a":[3,11],"LOCation-cLOaKing":[4],"system":[5,100],"to":[6,69,79,88],"protect":[7],"the":[8,35,40,45,50,58,64,71,81,92,108],"locations":[9,23,73],"of":[10,53,61],"user":[12],"with":[13,39,63,74,83,101,107],"differential":[14,54],"privacy.":[15,55],"LocLok":[16,62],"has":[17],"two":[18],"features:":[19],"(a)":[20,67],"it":[21,33],"protects":[22],"under":[24],"temporal":[25],"correlations":[26],"described":[27],"through":[28],"hidden":[29],"Markov":[30,75,96],"model;":[31],"(b)":[32,77],"releases":[34],"optimal":[36],"noisy":[37],"location":[38,82,94],"planar":[41],"isotropic":[42],"mechanism":[43,47],"(PIM),":[44],"first":[46],"that":[48],"achieves":[49],"lower":[51],"bound":[52],"show":[57],"detailed":[59],"computation":[60,109],"following":[65],"components:":[66],"how":[68,78,87],"generate":[70],"possible":[72],"model,":[76],"perturb":[80],"PIM,":[84],"and":[85],"(c)":[86],"make":[89],"inference":[90],"about":[91],"true":[93],"in":[95],"model.":[97],"An":[98],"online":[99],"real-word":[102],"dataset":[103],"will":[104],"be":[105],"presented":[106],"details.":[110]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":11},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":17},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2017-09-15T00:00:00"}
