Ontological metamodeling or multilevel-modeling refers to ng complex domains at multiple levels of abstraction, especially in domains where the borderline between individuals and c...
RDDOnto is an ontology that translates the MPEG-21 RDD (Rights Data Dictionary) specification into a hierarchical set of definitions with semantic content included. In the event th...
Abstract. Activity inference based on object use has received considerable recent attention. Such inference requires statistical models that map activities to the objects used in p...
In this paper we describe Racer, which can be considered as a core inference engine for the semantic web. The Racer inference server offers two APIs that are already used by at le...
Our work deals with schema or ontology matching and is driven by the following statements: (1) Most of works only consider intensional description of schemas; (2) They mostly use s...