作者: Jean-Claude Royer , Anderson Santana De Oliveira
DOI: 10.1007/978-3-319-48965-0_22
关键词:
摘要: Security and privacy requirements in ubiquitous systems need a sophisticated policy language with features to express access restrictions obligations. Ubiquitous involve multiple actors owning sensitive data concerning aspects such as location, discrete continuous time, roles that can be shared among or evolve over time. Policy consistency is an important problem languages supporting these aspects. In this paper we present abstract (AAL) specify most of security compare it XACML. We also classified the existing conflict detection mechanisms for XACML dynamic, testing, static detection. A thorough analysis reveals they have several weaknesses are not applicable our context. advocate classic approach using notion logical detect conflicts AAL.