A NLI havinga limited subset of English to a specific ES for database design(ERGTORS), as an example, is designed and implemented withTurbo Prolog on IBM-PC.

• 作为实例,为数据库设计专家系统(ERGTORS)设计了一个具有有限英语子集的自然语言接口,并在IBM-PC上用Turbo Prolog实现。