A logic programming language EXLOGL based on extended PROLOG is proposed and its interpreting system architecture, knowledge base structure and deductive solution principle are discussed.

提出一种基于PROLOG扩充不确定性处理能力的逻辑程序设计语言EXLOGL，并介绍了该语言解释系统的总体结构、知识库设计及演绎求解原理。

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Logic programming language HPROLOG is a prolog-like language. It is mainly a deductive database query language.

逻辑程序设计语言hprolog是一种类prolog语言，它将主要作为一种推理数据库的查询语言。

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