by Dave McComb | Jul 22, 2014 | Software Architecture
Somewhere around 200 items seems to be the optimum number of interrelated things we can deal with at one time, when dealing with complex systems such as computer software. In 1956 George Miller wrote an article for the Psychological Review called “The magic number...
by Dave McComb | Jul 22, 2014 | Software Architecture
An Evaluation of Risk Factors in Large Systems Engineering Projects This article was originally published in the Journal of Information Systems Management, Volume 8, Number 1, Winter 1991. It is reprinted here by permission of the publisher: www.crcpress.com System...
by Dave McComb | Jul 22, 2014 | Software Architecture
Why can’t we deploy software as well we did fifty years ago? The way we build and deploy software is deplorable. The success rate of large software projects is well under 50%. Even when successful, the capital cost is hideous. In his famous “Mythical Man...
by Dave McComb | Jul 14, 2014 | Semantics and Ontology
Gist is designed to have the maximum coverage of typical business ontology concepts with the fewest number of primitives and the least amount of ambiguity, known as a minimalist upper ontology. A title guaranteed to scare off just about everyone; if you’re not...
by Dave McComb | Jul 14, 2014 | Semantics and Ontology
What’s the real difference between necessary and sufficient? We just completed another training class, and like they say, “no one learns more than the instructor.” In this case the blindingly obvious and yet elusive pattern that revealed itself was...
