{"id":"https://openalex.org/W808136292","doi":null,"title":"Dummy-Based Schemes for Protecting Movement Trajectories","display_name":"Dummy-Based Schemes for Protecting Movement Trajectories","publication_year":2012,"publication_date":"2012-03-01","ids":{"openalex":"https://openalex.org/W808136292","mag":"808136292"},"language":"en","primary_location":{"id":"pmh:oai:CiteSeerX.psu:10.1.1.673.1440","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.673.1440","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://journal.iis.sinica.edu.tw/paper/1/100091-2.pdf?cd%3D0E31EFECBCA8A7657","raw_type":"text"},"volume":null,"type":"article","indexed_in":[],"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/A5026873490","display_name":"Po-Ruey Lei","orcid":"https://orcid.org/0000-0003-1671-2216","observed_orcids":["https://orcid.org/0000-0003-1671-2216"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Po-Ruey Lei","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-1671-2216","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040101293","display_name":"Wen-Chih Peng","orcid":"https://orcid.org/0000-0002-0172-7311","observed_orcids":["https://orcid.org/0000-0002-0172-7311","https://orcid.org/0000-0001-8964-0933"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wen-Chih Peng","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-0172-7311","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110071090","display_name":"Ing\u2010Jiunn Su","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ing\u2010Jiunn Su","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5111880270","display_name":"Chien-Ping Chang","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chien-Ping Chang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.8893,"has_fulltext":false,"cited_by_count":40,"citation_normalized_percentile":{"value":0.86118718,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"28","issue":"2","first_page":"335","last_page":"350"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9955999851226807,"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":0.9955999851226807,"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/T11106","display_name":"Data Management and Algorithms","score":0.002099999925121665,"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"}},{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.0007999999797903001,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/location-privacy","display_name":"location privacy","score":0.7549999952316284},{"id":"https://openalex.org/keywords/mobile-users","display_name":"mobile users","score":0.7059999704360962},{"id":"https://openalex.org/keywords/trajectory-generation","display_name":"trajectory generation","score":0.45100000500679016},{"id":"https://openalex.org/keywords/distance-deviation","display_name":"distance deviation","score":0.6240000128746033}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8970036506652832},{"id":"https://openalex.org/C2780226923","wikidata":"https://www.wikidata.org/wiki/Q929848","display_name":"Movement (music)","level":2,"score":0.7064392566680908},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.6224207878112793},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.6218609809875488},{"id":"https://openalex.org/C3017597292","wikidata":"https://www.wikidata.org/wiki/Q25052250","display_name":"Privacy protection","level":2,"score":0.5302319526672363},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.45823365449905396},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.433440625667572},{"id":"https://openalex.org/C2988186277","wikidata":"https://www.wikidata.org/wiki/Q5915793","display_name":"Location data","level":2,"score":0.4218302071094513},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.4172619879245758},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4134688377380371},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.4121044874191284},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.12339028716087341},{"id":"https://openalex.org/C107038049","wikidata":"https://www.wikidata.org/wiki/Q35986","display_name":"Aesthetics","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},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:CiteSeerX.psu:10.1.1.673.1440","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.673.1440","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://journal.iis.sinica.edu.tw/paper/1/100091-2.pdf?cd%3D0E31EFECBCA8A7657","raw_type":"text"},{"id":"mag:808136292","doi":null,"is_oa":false,"landing_page_url":"http://journal.iis.sinica.edu.tw/paper/1/100091-2.pdf?cd=0E31EFECBCA8A7657","pdf_url":null,"source":{"id":"https://openalex.org/S106179100","display_name":"Journal of information science and engineering","issn_l":"1016-2364","issn":["1016-2364"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-20","russia-white-list-2"],"host_organization":"https://openalex.org/P4324277498","host_organization_name":"Institute of Information Science","host_organization_lineage":["https://openalex.org/P4324277498"],"host_organization_lineage_names":["Institute of Information Science"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Journal of information science and engineering","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W153677436","https://openalex.org/W1540218125","https://openalex.org/W1563815972","https://openalex.org/W1584714745","https://openalex.org/W1676365440","https://openalex.org/W1689932539","https://openalex.org/W1982590063","https://openalex.org/W2044931626","https://openalex.org/W2056773559","https://openalex.org/W2089959302","https://openalex.org/W2096521379","https://openalex.org/W2102611836","https://openalex.org/W2103647628","https://openalex.org/W2116347193","https://openalex.org/W2118204922","https://openalex.org/W2120765374","https://openalex.org/W2123210385","https://openalex.org/W2126818112","https://openalex.org/W2129869150","https://openalex.org/W2133990233","https://openalex.org/W2139211263","https://openalex.org/W2140190241","https://openalex.org/W2141091689","https://openalex.org/W2150447982","https://openalex.org/W2154592552","https://openalex.org/W2157521848","https://openalex.org/W2157539922","https://openalex.org/W2157855380","https://openalex.org/W2158454296"],"related_works":["https://openalex.org/W2159890390","https://openalex.org/W2799715653","https://openalex.org/W2045050127","https://openalex.org/W7163518665","https://openalex.org/W2973520705","https://openalex.org/W2234193332","https://openalex.org/W3140495769","https://openalex.org/W2331313754","https://openalex.org/W2296615177","https://openalex.org/W7018780075"],"abstract_inverted_index":{"Dummy-based":[0],"anonymization":[1],"techniques":[2],"for":[3,129,146],"protecting":[4,168],"the":[5,14,28,38,49,59,66,69,79,102,123],"location":[6,29,90],"privacy":[7,30,113],"of":[8,31,40,53,61,68,82],"mobile":[9,32,41,83],"users":[10,33,42,84,147],"have":[11,136],"appeared":[12],"in":[13,21,85,101,109,167],"literature.":[15],"By":[16],"generating":[17],"dummies":[18],"that":[19,27,96,157],"move":[20],"human-like":[22],"trajectories,":[23,140],"this":[24],"approach":[25],"shows":[26],"can":[34,43],"be":[35,45],"preserved.":[36],"However,":[37],"trajectories":[39,81,128],"still":[44],"exposed":[46],"by":[47,106],"monitoring":[48],"long-term":[50,118],"movement":[51,80,99,127,139,151,169],"patterns":[52,100],"users.":[54],"We":[55,92],"argue":[56],"that,":[57],"once":[58],"trajectory":[60],"a":[62,110,133],"user":[63,70,89,111,134],"is":[64,75],"identified,":[65],"locations":[67],"are":[71,161],"exposed.":[72],"Thus,":[73],"it":[74],"critical":[76],"to":[77,87],"protect":[78],"order":[86],"preserve":[88],"privacy.":[91],"propose":[93],"two":[94],"schemes":[95,125,160],"generate":[97],"consistent":[98],"long":[103],"run.":[104],"Guided":[105],"three":[107],"parameters":[108],"specified":[112],"profile,":[114],"namely,":[115],"short-term":[116],"disclosure,":[117],"disclosure":[119],"and":[120],"distance":[121],"deviation,":[122],"proposed":[124,159],"derive":[126],"dummies.":[130],"Moreover,":[131],"since":[132],"may":[135],"multiple":[137,149],"frequent":[138,150],"we":[141],"further":[142],"develop":[143],"one":[144],"scheme":[145],"with":[148],"trajectories.":[152,170],"The":[153],"experimental":[154],"results":[155],"show":[156],"our":[158],"more":[162],"effective":[163],"than":[164],"existing":[165],"works":[166]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":10},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2016-06-24T00:00:00"}
