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The PRECIOSA Privacy-enforcing Runtime Architecture (PeRA) provides a data-centric protection chain, which ensures that ITS components process data according to attached user-defined privacy policies. PeRA instances constitute a distributed privacy middleware that evaluates privacy policies to mediate data access by applications. An integrity protection layer creates a distributed policy enforcement perimeter between ITS nodes to prevent circumvention of policies. 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PRECIOSA (PRivacy Enabled Capability In Co-Operative Systems and Safety Applications) FP7 project. www.preciosa-project.org."},{"key":"e_1_2_1_2_1","volume-title":"USENIX Security Symposium","author":"Balasch J.","year":"2010","unstructured":"J. Balasch , A. Rial , C. Troncoso , B. Preneel , I. Verbauwhede , and C. Geuens . PrETP: Privacypreserving electronic toll pricing . In USENIX Security Symposium , 2010 . J. Balasch, A. Rial, C. Troncoso, B. Preneel, I. Verbauwhede, and C. Geuens. PrETP: Privacypreserving electronic toll pricing. In USENIX Security Symposium, 2010."},{"key":"e_1_2_1_3_1","first-page":"2010","article-title":"\/40\/EU","author":"European Parliament and Council","year":"2010","unstructured":"European Parliament and Council . Directive 2010 \/40\/EU . Official Journal L 207, July 2010 . European Parliament and Council. Directive 2010\/40\/EU. 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