Chapter 7. Writing rules in Jess
In this chapter you’ll...
- Learn to write rules
- Learn the difference between forward and backward chaining
- Learn how to partition your rules with modules
- Learn to probe working memory with queries
Now that you’ve learned how to populate the working memory, you can develop a knowledge base to go with it. This is the whole reason you’re here: The knowledge base is the collection of rules that make up a rule-based system. Rules can take actions based on the contents of working memory.
There are two main classes of rules in Jess: forward-chaining and backward-chaining rules. Forward-chaining rules are somewhat like if ... then statements in a procedural language, and they’re the most common and important kind of ...
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