Abstract. Writing a formal specification for real-life, industrial problems is a difficult and error prone task, even for experts in formal methods. In the process of specifying a...
Schema merging is the process of integrating several schemas into a common, unified schema. There have been various approaches to schema mergusing on particular modeling languages...
Abstract. By introducing a parallel extension rule that is aware of independence of the introduced extension variables, a calculus for quantified propositional logic is obtained w...
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...
Many applications in information retrieval, natural language processing, data mining, and related fields require a ranking of instances with respect to a specified criteria as op...