How do I get started?

You should start by reading the OKBC specification.
Details of design tradeoffs can be found in AAAI  paper.
Once you have understood OKBC at conceptual level, and  are ready to write code, you could read the paper : "Writing an OKBC Application - A Case Study" by James P. Rice

Next: Where can I download the client code from?
Top: OKBC FAQ Table of Contents