{"id":"https://openalex.org/W7125651952","doi":"https://doi.org/10.56553/popets-2026-0005","title":"Privacy Attacks on Matrix Profiles via Reconstruction Techniques","display_name":"Privacy Attacks on Matrix Profiles via Reconstruction Techniques","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7125651952","doi":"https://doi.org/10.56553/popets-2026-0005"},"language":"en","primary_location":{"id":"doi:10.56553/popets-2026-0005","is_oa":true,"landing_page_url":"https://doi.org/10.56553/popets-2026-0005","pdf_url":null,"source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.56553/popets-2026-0005","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5015541328","display_name":"Haoying Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I12449238","display_name":"Universit\u00e9 d'Orl\u00e9ans","ror":"https://ror.org/014zrew76","country_code":"FR","type":"education","lineage":["https://openalex.org/I12449238"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Haoying Zhang","raw_affiliation_strings":["INSA CVL, Univ. d'Orl\u00e9ans, Inria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INSA CVL, Univ. d'Orl\u00e9ans, Inria","institution_ids":["https://openalex.org/I12449238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048401513","display_name":"Nicolas Anciaux","orcid":"https://orcid.org/0009-0003-7537-295X"},"institutions":[{"id":"https://openalex.org/I277688954","display_name":"Universit\u00e9 Paris-Saclay","ror":"https://ror.org/03xjwb503","country_code":"FR","type":"education","lineage":["https://openalex.org/I277688954"]},{"id":"https://openalex.org/I4210126360","display_name":"Centre Inria de Saclay","ror":"https://ror.org/0315e5x55","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1326498283","https://openalex.org/I4210126360"]},{"id":"https://openalex.org/I4210143826","display_name":"Institut National des Sciences Appliqu\u00e9es Centre Val de Loire","ror":"https://ror.org/03y0qc033","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210143826"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Nicolas Anciaux","raw_affiliation_strings":["Inria, INSA CVL, Univ. Paris Saclay"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inria, INSA CVL, Univ. Paris Saclay","institution_ids":["https://openalex.org/I4210126360","https://openalex.org/I4210143826","https://openalex.org/I277688954"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123788866","display_name":"Benjamin Nguyen","orcid":null},"institutions":[{"id":"https://openalex.org/I12449238","display_name":"Universit\u00e9 d'Orl\u00e9ans","ror":"https://ror.org/014zrew76","country_code":"FR","type":"education","lineage":["https://openalex.org/I12449238"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Benjamin Nguyen","raw_affiliation_strings":["INSA CVL, Univ. d'Orl\u00e9ans, Inria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INSA CVL, Univ. d'Orl\u00e9ans, Inria","institution_ids":["https://openalex.org/I12449238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123801533","display_name":"Fabien Girard","orcid":null},"institutions":[{"id":"https://openalex.org/I201181511","display_name":"\u00c9cole Nationale Sup\u00e9rieure de Techniques Avanc\u00e9es","ror":"https://ror.org/0309cs235","country_code":"FR","type":"education","lineage":["https://openalex.org/I201181511","https://openalex.org/I4210145102"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Fabien Girard","raw_affiliation_strings":["ENSTA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ENSTA","institution_ids":["https://openalex.org/I201181511"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102332478","display_name":"Jos\u00e9 Mar\u00eda de Fuentes","orcid":null},"institutions":[{"id":"https://openalex.org/I50357001","display_name":"Universidad Carlos III de Madrid","ror":"https://ror.org/03ths8210","country_code":"ES","type":"education","lineage":["https://openalex.org/I50357001"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Jose Maria de Fuentes","raw_affiliation_strings":["Univ. Carlos III de Madrid"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. Carlos III de Madrid","institution_ids":["https://openalex.org/I50357001"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031587617","display_name":"Adrien Boiret","orcid":null},"institutions":[{"id":"https://openalex.org/I12449238","display_name":"Universit\u00e9 d'Orl\u00e9ans","ror":"https://ror.org/014zrew76","country_code":"FR","type":"education","lineage":["https://openalex.org/I12449238"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Adrien Boiret","raw_affiliation_strings":["INSA CVL, Univ. d'Orl\u00e9ans, Inria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INSA CVL, Univ. d'Orl\u00e9ans, Inria","institution_ids":["https://openalex.org/I12449238"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.09161286,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2026","issue":"1","first_page":"65","last_page":"86"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.48660001158714294,"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":0.48660001158714294,"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/T11719","display_name":"Data Quality and Management","score":0.06310000270605087,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10917","display_name":"Smart Grid Security and Resilience","score":0.040300000458955765,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/series","display_name":"Series (stratigraphy)","score":0.5719000101089478},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.5424000024795532},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.5271000266075134},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5184000134468079},{"id":"https://openalex.org/keywords/time-series","display_name":"Time series","score":0.42320001125335693},{"id":"https://openalex.org/keywords/privacy-protection","display_name":"Privacy protection","score":0.39489999413490295},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.3560999929904938}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7202000021934509},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5777999758720398},{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.5719000101089478},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.5424000024795532},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.5271000266075134},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5184000134468079},{"id":"https://openalex.org/C151406439","wikidata":"https://www.wikidata.org/wiki/Q186588","display_name":"Time series","level":2,"score":0.42320001125335693},{"id":"https://openalex.org/C3017597292","wikidata":"https://www.wikidata.org/wiki/Q25052250","display_name":"Privacy protection","level":2,"score":0.39489999413490295},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.37630000710487366},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.3560999929904938},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.30559998750686646},{"id":"https://openalex.org/C509729295","wikidata":"https://www.wikidata.org/wiki/Q7246032","display_name":"Privacy software","level":3,"score":0.3009999990463257},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.2980000078678131},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.29660001397132874},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.2824999988079071},{"id":"https://openalex.org/C69360830","wikidata":"https://www.wikidata.org/wiki/Q1172237","display_name":"Data Protection Act 1998","level":2,"score":0.2761000096797943},{"id":"https://openalex.org/C134261354","wikidata":"https://www.wikidata.org/wiki/Q938438","display_name":"Statistical inference","level":2,"score":0.2720000147819519},{"id":"https://openalex.org/C175801342","wikidata":"https://www.wikidata.org/wiki/Q1988917","display_name":"Data analysis","level":2,"score":0.26910001039505005},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2667999863624573},{"id":"https://openalex.org/C117220453","wikidata":"https://www.wikidata.org/wiki/Q5172842","display_name":"Correlation","level":2,"score":0.26179999113082886}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.56553/popets-2026-0005","is_oa":true,"landing_page_url":"https://doi.org/10.56553/popets-2026-0005","pdf_url":null,"source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-05477098v1","is_oa":true,"landing_page_url":"https://inria.hal.science/hal-05477098","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Proceedings on Privacy Enhancing Technologies, In press","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.56553/popets-2026-0005","is_oa":true,"landing_page_url":"https://doi.org/10.56553/popets-2026-0005","pdf_url":null,"source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.5421611070632935,"display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Matrix":[0],"Profile":[1],"(MP)":[2],"is":[3,33],"a":[4,95],"data":[5,83],"mining":[6],"structure":[7],"increasingly":[8],"used":[9],"for":[10],"time":[11,107],"series":[12,108,129],"analysis":[13],"in":[14,48],"both":[15],"academic":[16],"and":[17,90],"industrial":[18],"contexts.":[19],"Given":[20],"its":[21],"application":[22],"to":[23,35,113,123,132],"sensitive":[24],"domains":[25],"such":[26],"as":[27],"healthcare":[28],"or":[29,46],"energy":[30],"monitoring,":[31],"it":[32],"crucial":[34],"examine":[36],"associated":[37],"privacy":[38,62,73,115],"risks,":[39],"especially":[40],"since":[41],"MPs":[42,59],"are":[43],"often":[44],"shared":[45],"processed":[47],"untrusted":[49],"environments":[50],"like":[51],"the":[52,72,79,137],"cloud.":[53],"While":[54],"recent":[55],"studies":[56],"suggest":[57],"that":[58],"offer":[60],"some":[61],"protection,":[63],"this":[64],"assumption":[65],"remains":[66],"largely":[67],"untested.":[68],"This":[69],"paper":[70],"analyzes":[71],"risks":[74],"of":[75,81,103],"MP":[76],"publication":[77],"through":[78],"lens":[80],"EU":[82],"protection":[84],"law,":[85],"focusing":[86],"on":[87,99,118],"singling-out,":[88],"linkability,":[89],"inference":[91],"risks.":[92],"We":[93],"introduce":[94],"reconstruction":[96],"technique":[97],"based":[98],"constraint":[100],"optimization,":[101],"capable":[102],"recovering":[104],"approximate":[105],"original":[106],"from":[109],"their":[110],"MPs,":[111],"leading":[112],"severe":[114],"attacks.":[116],"Experiments":[117],"real-world":[119],"datasets":[120],"reveal":[121],"vulnerabilities":[122],"all":[124],"attack":[125],"types,":[126],"with":[127,136],"reconstructed":[128],"reaching":[130],"up":[131],"0.99":[133],"Pearson":[134],"Correlation":[135],"original.":[138]},"counts_by_year":[],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2026-01-26T00:00:00"}