Abstract. We present a well-founded semantics for deductive objectoriented database (dood) languages by applying the alternating- xpoint characterization of the well-founded model ...
The seemingly simple choice of whether to use call variance or call subsumption in a tabled evaluation deeply affects an evaluation’s properties. Most tabling implementations hav...
A modest exception allowing inheritance reasoner is presented. The reasoner allows restricted, but semantically well founded, defeasible property inheritance. Furthermore, it give...
Abstract. F-logic is a popular formalism for knowledge-intensive applications and, especially, for ontology management in Semantic Web. However, the original F-logic’s semantics ...
The eld of theory update has seen some improvement, in what regards updating, by allowing desired updates to be speci ed by update programs. The updating of models is governed by ...