{"id":"https://openalex.org/W2594020291","doi":"https://doi.org/10.1109/tkde.2017.2675420","title":"Local Suppression and Splitting Techniques for Privacy Preserving Publication of Trajectories","display_name":"Local Suppression and Splitting Techniques for Privacy Preserving Publication of Trajectories","publication_year":2017,"publication_date":"2017-03-01","ids":{"openalex":"https://openalex.org/W2594020291","doi":"https://doi.org/10.1109/tkde.2017.2675420","mag":"2594020291"},"language":"en","primary_location":{"id":"doi:10.1109/tkde.2017.2675420","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2017.2675420","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","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 Knowledge and Data Engineering","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://zenodo.org/record/3452606","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5016580848","display_name":"Manolis Terrovitis","orcid":"https://orcid.org/0000-0003-0784-8402"},"institutions":[{"id":"https://openalex.org/I4210156054","display_name":"Athena Research and Innovation Center In Information Communication & Knowledge Technologies","ror":"https://ror.org/0576by029","country_code":"GR","type":"facility","lineage":["https://openalex.org/I4210156054"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Manolis Terrovitis","raw_affiliation_strings":["IMIS Athena Research Center, Marousi, Greece"],"affiliations":[{"raw_affiliation_string":"IMIS Athena Research Center, Marousi, Greece","institution_ids":["https://openalex.org/I4210156054"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066158359","display_name":"Giorgos Poulis","orcid":"https://orcid.org/0000-0002-5923-7964"},"institutions":[{"id":"https://openalex.org/I158716096","display_name":"University of Peloponnese","ror":"https://ror.org/04d4d3c02","country_code":"GR","type":"education","lineage":["https://openalex.org/I158716096"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Giorgos Poulis","raw_affiliation_strings":["University of the Peloponnese, Tripoli, Greece"],"affiliations":[{"raw_affiliation_string":"University of the Peloponnese, Tripoli, Greece","institution_ids":["https://openalex.org/I158716096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045731304","display_name":"Nikos Mamoulis","orcid":null},"institutions":[{"id":"https://openalex.org/I194019607","display_name":"University of Ioannina","ror":"https://ror.org/01qg3j183","country_code":"GR","type":"education","lineage":["https://openalex.org/I194019607"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Nikos Mamoulis","raw_affiliation_strings":["University of Ioannina, Ioannina, Greece"],"affiliations":[{"raw_affiliation_string":"University of Ioannina, Ioannina, Greece","institution_ids":["https://openalex.org/I194019607"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009411092","display_name":"Spiros Skiadopoulos","orcid":"https://orcid.org/0000-0003-3465-8292"},"institutions":[{"id":"https://openalex.org/I158716096","display_name":"University of Peloponnese","ror":"https://ror.org/04d4d3c02","country_code":"GR","type":"education","lineage":["https://openalex.org/I158716096"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Spiros Skiadopoulos","raw_affiliation_strings":["University of the Peloponnese, Tripoli, Greece"],"affiliations":[{"raw_affiliation_string":"University of the Peloponnese, Tripoli, Greece","institution_ids":["https://openalex.org/I158716096"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5016580848"],"corresponding_institution_ids":["https://openalex.org/I4210156054"],"apc_list":null,"apc_paid":null,"fwci":8.1605,"has_fulltext":false,"cited_by_count":83,"citation_normalized_percentile":{"value":0.97905745,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"29","issue":"7","first_page":"1466","last_page":"1479"},"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9897000193595886,"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/T10237","display_name":"Cryptography and Data Security","score":0.9889000058174133,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8548517227172852},{"id":"https://openalex.org/keywords/identifier","display_name":"Identifier","score":0.8468141555786133},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.6013873815536499},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.5799973011016846},{"id":"https://openalex.org/keywords/unique-identifier","display_name":"Unique identifier","score":0.567714273929596},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.5334691405296326},{"id":"https://openalex.org/keywords/aggregate","display_name":"Aggregate (composite)","score":0.4983856678009033},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.4566970467567444},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.41755348443984985},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.4173971712589264},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3237568736076355}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8548517227172852},{"id":"https://openalex.org/C154504017","wikidata":"https://www.wikidata.org/wiki/Q853614","display_name":"Identifier","level":2,"score":0.8468141555786133},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.6013873815536499},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.5799973011016846},{"id":"https://openalex.org/C119839945","wikidata":"https://www.wikidata.org/wiki/Q6545185","display_name":"Unique identifier","level":3,"score":0.567714273929596},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.5334691405296326},{"id":"https://openalex.org/C4679612","wikidata":"https://www.wikidata.org/wiki/Q866298","display_name":"Aggregate (composite)","level":2,"score":0.4983856678009033},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.4566970467567444},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.41755348443984985},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.4173971712589264},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3237568736076355},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","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/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"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/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tkde.2017.2675420","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2017.2675420","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","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 Knowledge and Data Engineering","raw_type":"journal-article"},{"id":"pmh:oai:hub.hku.hk:10722/245815","is_oa":false,"landing_page_url":"http://hdl.handle.net/10722/245815","pdf_url":null,"source":{"id":"https://openalex.org/S4377196271","display_name":"The HKU Scholars Hub (University of Hong Kong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I889458895","host_organization_name":"University of Hong Kong","host_organization_lineage":["https://openalex.org/I889458895"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},{"id":"pmh:oai:zenodo.org:3452606","is_oa":true,"landing_page_url":"https://zenodo.org/record/3452606","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:zenodo.org:3452606","is_oa":true,"landing_page_url":"https://zenodo.org/record/3452606","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.6800000071525574,"id":"https://metadata.un.org/sdg/16"}],"awards":[{"id":"https://openalex.org/G7186415140","display_name":null,"funder_award_id":"657347","funder_id":"https://openalex.org/F4320338340","funder_display_name":"H2020 Access to risk finance"}],"funders":[{"id":"https://openalex.org/F4320338340","display_name":"H2020 Access to risk finance","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W131856945","https://openalex.org/W889496518","https://openalex.org/W1548435287","https://openalex.org/W1637387994","https://openalex.org/W1966862198","https://openalex.org/W1980474382","https://openalex.org/W1996587544","https://openalex.org/W2010362518","https://openalex.org/W2019199245","https://openalex.org/W2068177306","https://openalex.org/W2079657950","https://openalex.org/W2082894754","https://openalex.org/W2095363092","https://openalex.org/W2096558825","https://openalex.org/W2100410990","https://openalex.org/W2100921307","https://openalex.org/W2104064500","https://openalex.org/W2108215372","https://openalex.org/W2110953678","https://openalex.org/W2115911119","https://openalex.org/W2116135393","https://openalex.org/W2133819144","https://openalex.org/W2135581534","https://openalex.org/W2142922715","https://openalex.org/W2149944211","https://openalex.org/W2151955123","https://openalex.org/W2158037536","https://openalex.org/W2168196587","https://openalex.org/W2173102402","https://openalex.org/W2245706161","https://openalex.org/W2398406843","https://openalex.org/W2911978475","https://openalex.org/W6641898910","https://openalex.org/W6675647884","https://openalex.org/W6685624434","https://openalex.org/W6758947373"],"related_works":["https://openalex.org/W2413568490","https://openalex.org/W1913624564","https://openalex.org/W3130054399","https://openalex.org/W4301062032","https://openalex.org/W2319837024","https://openalex.org/W2343500026","https://openalex.org/W2390627310","https://openalex.org/W2413664130","https://openalex.org/W2051731675","https://openalex.org/W2608983118"],"abstract_inverted_index":{"We":[0,41,76],"study":[1],"the":[2,9,53,70,74],"problem":[3],"of":[4,11,17,22,55,84],"preserving":[5],"user":[6],"privacy":[7,97],"in":[8,73],"publication":[10],"location":[12],"sequences.":[13],"Consider":[14],"a":[15,67],"database":[16],"trajectories,":[18],"corresponding":[19],"to":[20],"movements":[21],"people,":[23],"captured":[24],"by":[25],"their":[26],"transactions":[27],"when":[28],"they":[29,94],"use":[30,62],"credit":[31],"cards,":[32,35],"RFID":[33],"debit":[34],"or":[36],"NFC":[37],"(http://en.wikipedia.org/wiki/Near_field_communication)":[38],"compliant":[39],"devices.":[40],"show":[42,92],"that,":[43],"if":[44],"such":[45],"trajectories":[46,88],"are":[47],"published":[48,101],"exactly":[49],"(by":[50],"only":[51],"hiding":[52],"identities":[54],"persons":[56],"that":[57,93],"followed":[58],"them),":[59],"one":[60],"can":[61,95],"partial":[63],"trajectory":[64],"knowledge":[65],"as":[66],"quasi-identifier":[68],"for":[69,104],"remaining":[71],"locations":[72,85],"sequence.":[75],"devise":[77],"four":[78],"intuitive":[79],"techniques,":[80],"based":[81],"on":[82],"combinations":[83],"suppression":[86],"and":[87,90,108],"splitting,":[89],"we":[91],"prevent":[96],"breaches":[98],"while":[99],"keeping":[100],"data":[102,111],"accurate":[103],"aggregate":[105],"query":[106],"answering":[107],"frequent":[109],"subsets":[110],"mining.":[112]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":12},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":14},{"year":2019,"cited_by_count":11},{"year":2018,"cited_by_count":13},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-04-04T08:04:53.788161","created_date":"2025-10-10T00:00:00"}
