In this paper we propose a mediator architecture for the querying and integration of Web-accessible XML data sources. Our contributions are (i) the definition of a simple but expr...
Abstract. State of the art formalisms for distributed ontology integration provide ways to express semantic relations between concepts belonging to different ontologies. However, t...
In the semantic web environment, where several independent ontologies are used in order to describe knowledge and data, ontologies have to be aligned by defining mappings among the...
Abstract. Ontologies can be used for e-business integration, for example by describing existing e-business standards as ontologies. If cooperating parties use different ontologies...
We describe a mapping language for converting data contained in spreadsheets into the Web Ontology Language (OWL). The developed language, called M2 , overcomes shortcomings with e...
Martin J. O'Connor, Christian Halaschek-Wiener, Ma...