September 1987 - Vol. 30 No. 9
Features
The 1984 Olympic Message System: a test of behavioral principles of system design
There was more than athletic talent being pressed to peak performance at the 1984 Olympic Games in Los Angeles. Behind the scenes, a multilingual Olympic Message System…
An object-oriented programming discipline for standard Pascal
A successful application, using standard Pascal in a large medical application program, demonstrates that benefits similar to those of specialized languages are possible…
A severe problem in the processing of encrypted data is that very often, in order to perform arithmetic operations on the data, one has to convert the data back to its…
A metamodel of information flow: a tool to support information systems theory
In this paper an axiomatic, fundamental metamodel of data flow is constructed. The components of the metamodel are the states along the flow of data: physical events,…