In the present paper, the existence and multiplicity problems of extensions are addressed. The focus is on extension of the stable type. The main result of the paper is an elegant...
on, a model is an abstraction of the real thing. In practice, engineers work with partial descriptions (models) and add/remove model at each level of abstraction. Models describe a...
We investigate rule dependency graphs and their colorings for characterizing the computation of answer sets of logic programs. To this end, we develop a series of operational chara...
Abstract. We present a capability calculus for checking partial confluence of channel-communicating concurrent processes. Our approach automatically detects more programs to be par...
Because of software’s increasing dynamism and the heterogeneity of execution environments, the results of in-house testing and maintenance are often not representative of the wa...