The expert system shell for the java platform

This report describes Jess, an expert system shell and scripting language written entirely in Sun Microsystem’s Java language. Jess supports the development of rule-based expert systems which can be tightly coupled to code written in the powerful, portable Java language. The syntax of the Jess language is discussed, and a comprehensive list of supported functions is presented. Guides to calling Java functions from Jess, to extending Jess by writing Java code, and to embedding Jess in Java applications are also included. Abbreviated Table of