This paper describes an approach to software interoperability based on knowledge representation technologies developed in support of the emerging Semantic Web. In particular, we are interested in the interoperation of an arbitrary set (two or more) of "legacy" applications that operate in a common domain, but that were not originally designed to support each other or to share information. To do this, we develop a means to create a general meta-model of the common domain of discourse that contains, organizes and correlates the essential information that each of the applications needs to function as well as any additional information particular to the composed system. This model becomes the basis of communications between the cooperating systems. Each legacy application is able to obtain input data from the model and export output information to augment or update the model in a form that allows cooperating systems to operate on the updated information. We represent the meta-model in RDF/XML which, we believe, provides several important advantages. RDF is a knowledge representation language that allows information to be described as a set of factual sentences. When these sentences are constrained by and consistent with an OWL ontology, this enables the use of an existing, robust collection of automatic reasoners and other logical tools to classify, evaluate, query, apply rules and otherwise operate on the model itself, independently of the cooperating applications.
Semantic Interoperability Integrating and Augmenting Legacy Applications with OWL Ontologies
2008-03-01
6905686 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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