In the interest of exploration and education, here's a few random thoughts.
The approach wolfgang mentions is an old knowledge base technique. I
like to use it for data that is constant-like. Things like code
reference tables. One example of this is auto insurance rating. Many
companies rate
I found this book (Giarratanno Riley) to be of very low value for my
purposes. I have yet to find a decent book about rule base programming. Jess
In Action is the only one that's been useful for me. A couple of Drools books
I've read were ridiculous. Most AI and knowledge base books are 95%