Browsing Congressos (Departament de Tecnologies de la Informació i les Comunicacions) by Author "Pasarella Sánchez, Ana Edelmira"

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A datalog framework for modeling relationship-based access control policies

Pasarella Sánchez, Ana Edelmira; Lobo, Jorge (ACM Association for Computer Machinery, 2017)

Relationships like friendship to limit access to resources have been part of social network applications since their beginnings. Describing access control policies in terms of relationships is not particular to social ...
Reasoning about policy behavior in logic-based trust management systems: some complexity results and an operational framework

Pasarella Sánchez, Ana Edelmira; Lobo, Jorge (Institute of Electrical and Electronics Engineers (IEEE), 2015)

In this paper we show that the logical framework proposed by Becker et al. [1] to reason about security policy behavior in a trust management context can be captured by an operational framework that is based on the language ...

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