摘要
HEST是一个具有多种推理模式和程序设计风格的专家系统环境.它的推理机制灵活而实用,控制方便.本文介绍了它的多种推理模式及控制方式,提供不同的方法供使用者选用.
HEST is an environment of expert systems that has multiple inference mechanisms and programming styles.The inference mechanism in HEST is flexible and practical and the inference control is convenient.The paper introduces multiple inference mechanisms and control in HEST and provides different inference methods that users may select freely.
关键词
专家系统
元级推理
推理模式
logic programming
meta-level reasoning
uncertainty. inference
forward reasoning
inference control
/expert systems
artificial intelligence
