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The Open Group's Platinum Members
  Arthur Culbertson, Principal Systems Engineer, Raytheon Information Solutions    
Arthur CulbertsonRaytheonArthur Culbertson is a Principal Systems Engineer with Raytheon Information Solutions where his work focuses on model-driven design of large-scale system architectures. He has extensively investigated formal methods for modeling software architecture and presented findings at several software engineering conferences and workshops. Arthur has twenty-six years of software engineering experience and is an OMG-Certified UML Professional at the Advanced level. He holds a Masters Degree in Systems Engineering from the University of Tulsa.
   
 

Presentation
 Service Oriented Architecture: Ontologically Speaking
Despite the prominence of SOA as an enterprise level best practice, its technology driven heritage has served to obscure fundamental concepts and promote divergence in its perceived meaning. Consequently, there is increasing interest in understanding what exactly it means for something to be service-oriented. For example, the Open Group’s SOA Working Group has initiated a project to develop a formal ontology for SOA in order to provide a basis for precisely defining the concepts, terminology, and semantics of SOA. This project, in turn, leverages the recently finalized OASIS Reference Model for Service Oriented Architecture which provides a technology-independent framework for understanding the domain of software services. In this presentation we will discuss some of the early results and benefits of an ongoing project at Raytheon to align the OASIS reference model with a foundational ontology. We will provide examples of how this approach has enhanced our understanding of SOA concepts and contributed to better technical communications between enterprise architecture practitioners as well as to better non-technical communications with business development people.

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