Rule-based Policy Enforcement Point for Map Service
Résumé
In the framework of a map service which creates and displays maps of information coming from multiple heterogeneous sources, implementing a prohibition can be done in several ways. A sensitive object can be erased from the returned map, or masked, or blurred or even replaced by another object. In this paper we suggest a framework to specify protection mechanisms to enforce whenever a prohibition is derived from the security policy. This framework includes (i) logical rules allowing us to derive protection mechanisms from prohibitions, and (ii) an algorithm which builds the map to display.
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