Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6808
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dc.contributor.authorAbul, Osman-
dc.contributor.authorBonchi, Francesco-
dc.contributor.authorGiannotti, Fosca-
dc.date.accessioned2021-09-11T15:43:40Z-
dc.date.available2021-09-11T15:43:40Z-
dc.date.issued2010en_US
dc.identifier.issn1041-4347-
dc.identifier.issn1558-2191-
dc.identifier.urihttps://doi.org/10.1109/TKDE.2009.213-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/6808-
dc.description.abstractThe process of discovering relevant patterns holding in a database was first indicated as a threat to database security by O'Leary in [1]. Since then, many different approaches for knowledge hiding have emerged over the years, mainly in the context of association rules and frequent item sets mining. Following many real-world data and application demands, in this paper, we shift the problem of knowledge hiding to contexts where both the data and the extracted knowledge have a sequential structure. We define the problem of hiding sequential patterns and show its NP-hardness. Thus, we devise heuristics and a polynomial sanitization algorithm. Starting from this framework, we specialize it to the more complex case of spatiotemporal patterns extracted from moving objects databases. Finally, we discuss a possible kind of attack to our model, which exploits the knowledge of the underlying road network, and enhance our model to protect from this kind of attack. An exhaustive experiential analysis on real-world data sets shows the effectiveness of our proposal.en_US
dc.description.sponsorshipTUBITAKTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [108E016]en_US
dc.description.sponsorshipThe authors would like to thank Maurizio Atzori and Mirco Nanni for many fruitful discussions. Osman Abul is supported by TUBITAK under grant number 108E016.en_US
dc.language.isoenen_US
dc.publisherIEEE Computer Socen_US
dc.relation.ispartofIEEE Transactions On Knowledge And Data Engineeringen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSequential patternsen_US
dc.subjectspatiotemporal patternsen_US
dc.subjectknowledge hidingen_US
dc.subjectdata publishingen_US
dc.titleHiding Sequential and Spatiotemporal Patternsen_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Computer Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Bilgisayar Mühendisliği Bölümütr_TR
dc.identifier.volume22en_US
dc.identifier.issue12en_US
dc.identifier.startpage1709en_US
dc.identifier.endpage1723en_US
dc.identifier.wosWOS:000283133800005en_US
dc.identifier.scopus2-s2.0-78149260852en_US
dc.institutionauthorAbul, Osman-
dc.identifier.doi10.1109/TKDE.2009.213-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ1-
item.grantfulltextnone-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.fulltextNo Fulltext-
item.openairetypeArticle-
crisitem.author.dept02.3. Department of Computer Engineering-
Appears in Collections:Bilgisayar Mühendisliği Bölümü / Department of Computer Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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