We study the class of masking based domain extenders for UOWHFs. Our first contribution is to show that any correct masking based domain extender for UOWHF which invokes the compr...
In grid environment, there are many administrative domains, each domain has its own CA, and entities in different domains need authentication when accessing each other. The OCSP (...
The notion of supply chains has been current for some time in the literature and in practice. Recently this has been extended to consider so-called extended enterprises. The paper...
In Prz91], Przymusinski introduced the partial (or 3-valued) stable model semantics which extends the (2-valued) stable model semantics dened originally by Gelfond and Lifschitz G...