Context Modeling and Transformation for Semantic Interoperability.
Heiner Stuckenschmidt, Holger Wache · 2000
Mediators are middleware components that provide a exible integration of several heterogeneous information systems. But current approaches ignore that each information has to be considered in its context. Besides the integration the information has to be also converted from its source context into the context of the integrated view in order to achieve interoperability at the semantic level. Two dierent methods for context transformation are discussed: a rule{based and a classication{based context transformation. We argue that the rule-based context transformation approach does only provide solutions for rather simple transformation tasks. We present an alternative approach that is based on sophisticated context modeling using ontologies based on description logics. We show that this approach supports context transformation based on subsumption reasoning oering reasonable results. Both methods are explained with the help of a real world example coming from the geographic...