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Jess in Action: Rule-Based Systems in Java by Ernest Friedman-Hill

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Chapter 8. Under the hood: how Jess works

In this chapter you’ll...

  • Learn how Jess compiles rules
  • Be introduced to the Rete algorithm
  • Use the view and matches functions
  • Learn how to make your rules more efficient

You can drive a car without understanding anything about what’s under the hood. But if you’re driving through a desert, miles from a phone, and your engine starts to sputter and cough, a little knowledge and a full toolbox could go a long way.

So it is with much of the software you use as a developer. As long as everything is working well, you can get by without much knowledge of its internal workings. When something starts to go wrong, however, you may need extra knowledge and a few tools to fix it. This chapter gives you both, ...

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