Transaction Logic is an extension of classical logic that gracefully integrates both declarative and procedural knowledge and has proved itself as a powerful formalism for many ad...
Default logic is used to describe regular behavior and normal properties. We suggest to exploit the framework of default logic for detecting outliers - individuals who behave in a...
We now know that the addition of a concept constructor called a Path Functional Dependency (PFD) to the Boolean-complete description logic DLF leads to undecidability of ABox consi...
This paper is a presentation of ONTO-DLP, an extension of Disjunctive Logic Programming (DLP) for complex knowledge modelling. ONTO-DLP enhances DLP by constructs coming from othe...
Francesco Calimeri, Stefania Galizia, Massimo Ruff...
This paper provides an account of the representation of defaults in Cyc and their semantics in terms of first order logic with reification. Default reasoning is a complex thing, a...