This paper proposes a modelling of information security policies in the framework of possibilistic logic. Our modelling is based on the concept of roles associated with users. Acc...
There has been considerable discussion of the pros/cons of recombination and mutation operators in the context of Holland's schema theory. In this paper we de ne a common fra...
In this paper we provide a systematic formal interpretation for most elements of the UML notation. This interpretation, in a structured temporal logic, enables precise analysis of...
We concider an extened algebra of regular events (languages) with intersection besides the usual operations. This algebra has the structure of a distributive lattice with monotoni...
Most of the research, to date, on optimizing program transformations for declarative languages has focused on sequential execution strategies. In this paper, we consider a class o...