Abstract. Many NP-complete problems can be encoded in the answer set semantics of logic programs in a very concise way, where the encoding reflects the typical “guess and checkâ...
We study revision programming, a logic-based mechanism for enforcing constraints on databases. The central concept of this approach is that of a justi ed revision based on a revisi...
V. Wiktor Marek, Inna Pivkina, Miroslaw Truszczyns...
We introduce a knowledge representation language AC(C) extending the syntax and semantics of ASP and CR-Prolog, give some examples of its use, and present an algorithm, ACsolver, ...
Veena S. Mellarkod, Michael Gelfond, Yuanlin Zhang
: XML has emerged as the industry standard for representing and exchanging data and is already predominant in several applications today. Business, analytic and structered data wil...
Abstract. We show how to specify and use the metadata for a virtual and relational data integration system under the local-as-view (LAV) approach. We use XML and RuleML for represe...