Abstract. Our work involves the development of a prototype Geographical Information System GIS as an example of the use of process networks as a well-de ned high-level semantic mod...
Data futures in a metacomputing system refer to data products that have not yet been created but which can be uniquely named and manipulated. We employ data flow mechanisms expres...
Condition Data Flow Diagrams (CDFDs) are a formalized notation resulting from the integration of Yourdon Data Flow Diagrams, Petri Nets, and pre-post notation. They are used in th...