情报检索语言语法手段分析

本文通过情报检索语言与自然语言的对比,探讨了检索语言语法中词法与句法的关系,并指出了区分词法与句法对研究与使用检索语言的意义.通过分析检索语言语法手段的发展,推演出检索语言的发展历史.详细分析了七种语法手段,即:引用次序、职符、连符、关系符、加权、检索用关系符及句式变换.

On the Means of Grammar in Information Retrieval Language

By comparison between information retrieval language (IRL) and natural language(NL), the article gives the relation and difference between morphology and syntax of IRL,and also the significance of this difference to the study and usage of IRL.Through analysing the means of grammar in IRL, it points out the development of IRL.It focuses on seven means of grammar, that is. citation orders, role operators, links, relators, weighting, searching relators, and transformation of sentences.