by Alan C. Kay ffrom Apple Computer - "Most ideas come from previous ideas. The sixties, particularly in the ARPA community, gave rise to a host of notions..."
This report was originally written in 1992-1993. Therefore, some of its information is out-of-date. The Object Agency, Inc. believes, however, that the report still provides many useful insights.
The Unified Modeling Language has quickly become the de-facto standard for building Object-Oriented software. This tutorial provides a technical overview of the 13 UML.