July 1985 - Vol. 28 No. 7
Features
Structuring computer-mediated communication systems to avoid information overload
Unless computer-mediated communication systems are structured, users will be overloaded with information. But structure should be imposed by individuals and user groups…
Strategic computing at DARPA: overview and assessment
Strategic Computing, a 10-year initiative to build faster and more intelligent systems, is ambitious, flawed by overscheduling perhaps and problems of definition, but…
A pragmatic view of the system architect
A whole-system designer, fire fighter, mediator, and jack-of-all-trades, the system architect brings unity and continuity to a development project—offsetting the…
Paradigms for design and implementation in ADA
An examination of the respective advantages and disadvantages of three characteristic paradigms of design and implementation in Ada illustrates the importance of choosing…
Environmental and institutional models of system development: a national criminal history system
This article tests two competing theories of system development referred to here as environmental and institutional models. These models form the basis for most…
Transient exponential-Erlang queues and steady-state simulation
The transient probabilistic structure of M/Em/1 and Em/M/1 queues initialized in an arbitrary deterministic state is derived in discrete time. Computational algorithms…