The semantic web is based on ontologies and metadata that indexes resources using ontologies. This indexing is called annotation. Ontology based information retrieval is an operati...
Does there exist a compact set of visual topics in form of keyword clusters capable to represent all images visual content within an acceptable error? In this paper, we answer thi...
One of the main reasons about the success of the Web is that many “regular users” are able to create Web pages that, using hyperlinks, incrementally extend both the size and th...
Abstract. In general, disjunction is considered to add expressive power to propositional logic programs under stable model semantics, and to enlarge the range of problems which can...
Thomas Eiter, Michael Fink, Hans Tompits, Stefan W...
Clark's completion is a simple nonmonotonic formalism and a special case of several nonmonotonic logics. Recently there has been work on extending completion with "loop ...