—Constraint satisfaction has been a very successful paradigm for solving problems such as resource allocation and planning. Many of these problems pose themselves in a context in...
Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
Usage controls enable the provider of some information to limit how recipients may use it. Usage controls may be desirable in enterprise environments, e.g., for regulatory complia...
Security and reliability issues in distributed systems have been investigated for several years at LAAS using a technique called Fragmentation-Redundancy-Scattering (FRS). The aim ...
The medical community is producing and manipulating a tremendous volume of digital data for which computerized archiving, processing and analysis is needed. Grid infrastructures ar...