Proteus: A Semantic Context-Aware Adaptive Policy Model

The growing diffusion of portable devices enables users to benefit from anytime and anywhere impromptu collaboration. Appropriate policy models that take into account the dynamicity and heterogeneity of the new pervasive collaboration scenario are crucial to ensure secure sharing of information. Collaborating entities cannot be predetermined and resource availability frequently varies, even unpredictably, due to user/device mobility, thus complicating resource access control. Policies cannot be defined based on entity’s identities/roles, as in traditional security solutions, or be specified a priori to face any operative run-time condition, and require continuous adjustments to adapt to the current situation. To address these issues this paper advocates the adoption of a semantic context-aware paradigm to policy specification. Contextawareness allows operations on resources to be controlled based on context visibility whereas semantic technologies allow the high-level description an...

• Type: Conference
• Year: 2007
• Where: POLICY
• Authors: Alessandra Toninelli, Rebecca Montanari, Lalana Kagal, Ora Lassila
• Keywords: Appropriate Policy Models, Pervasive Collaboration Scenario, POLICY 2007, Semantic Context-aware Paradigm