Abstract. Program certification techniques formally show that programs satisfy certain safety policies. They rely on the correctness of the safety policy which has to be establish...
The Semantic Web is a vision of the next generation Web, in which semantic markup will make Web resources more accessible to automatic processes. Description Logics (DLs) are of cr...
We examine schema mappings from a type-theoretic perspective and aim to facilitate and formalize the reuse of mappings. Starting with the mapping language of Clio, we present a ty...
Abstract. An important application of unique object references is safe and efficient message passing in concurrent object-oriented programming. However, to prevent the ill effects...
Levesque introduced the notion of only-knowing to precisely capture the beliefs of a knowledge base. He also showed how only-knowing can be used to formalize non-monotonic behavio...