Logical foundations of object-oriented and frame-based languages
Journal of the ACM (JACM)
Creating Semantic Web Contents with Protégé-2000
IEEE Intelligent Systems
TRIPLE - A Query, Inference, and Transformation Language for the Semantic Web
ISWC '02 Proceedings of the First International Semantic Web Conference on The Semantic Web
Automatic composition of aggregation workflows for transportation modeling
dg.o '05 Proceedings of the 2005 national conference on Digital government research
Argos: dynamic composition of web services for goods movement analysis and planning
dg.o '04 Proceedings of the 2004 annual national conference on Digital government research
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Many scientific problems can be modeled as computational workflows that integrate data from heterogeneous sources and process such data to derive new results. These data analysis problems are pervasive in the physical and social sciences, as well as in government practice. Therefore, techniques that facilitate the creation of such computational workflows are of critical importance. In our work on the Argos project we are developing techniques to automatically create computational workflows in response to user data requests. As a unifying paradigm, we represent both data access and data processing operations as web services.