Object Relationship Modeling

Peter Kaminski, 2002-05-09:

I'm helped by being able to think about objects and relationships graphically. The UML diagram type most relevant is the "class diagram". UML is far from perfect, but it is widely accepted, used and supported by tools, and I find it really useful to see a concrete example of a object/relationship syntax in action.

Two quick, easy introductions to UML class diagrams:

http://www.togethersoft.com/services/practical_guides/umlonlinecourse/#classdiagrams http://www.smartdraw.com/resources/centers/uml/uml2.htm#whatclass

Jenson Crawford, 2002-05-09:

RDF (Resource Description Framework) provides a lightweight ontology system to support the exchange of knowledge on the Web. http://www.w3.org/RDF/

DAML (DARPA Agent Markup Language) is an extension to XML and the Resource Description Framework (RDF) being built toward the goal of creating a language and tools to facilitate the Semantic Web. http://www.daml.org