Specific preference statements may reverse general preference statements, thus constituting a change of attitude in particular situations. We define a semantics of preference re...
Abstract. In 1987 Ernst-R¨udiger Olderog provided an operational Petri net semantics for a subset of CCSP, the union of Milner’s CCS and Hoare’s CSP. It assigns to each proces...
Abstract. We revisit non-monotonic description logics based on circumscription (with preferences) and prove several decidability results for their satisfiability problem. In parti...
Piero A. Bonatti, Marco Faella, Carsten Lutz, Luig...
Abstract. While groups are generally helpful for the definition of authorization policies, their use in distributed systems is not straightforward. This paper describes a design f...