About this Book

This book was originally conceived in August 2001. As I write these words now in May 2003, I feel like I’ve stayed quite close to the original concept for the book. Then, as now, despite the still-growing prominence of rule-based systems in nearly every field of software development, the few available books on the topic were heavily theoretical and lacking in real-world examples. With this book, I set out to change that pattern. The book you’re holding is structured around a series of large, fully developed, and eminently practical examples of rule-based programming in Java.

This book can be used in several ways. First, it is a general introduction to rule-based systems. If you’ve never encountered rule-based systems before, ...

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