单元4 词汇组织第一部情报检索叙词袭应追溯到1959年。60年代初,美国积累了编制叙词表的丰富经验。这种经验的积累导致叙词表编制指南、以致后来国家标准(例如,美国、英国、法国、德国的标准)的出版。1970年联合国教科文组织(Unesco)出版了单浯叙词表编制指南,1974年出版了国际标准 ISO2788,1981年出版了 Unesco 叙词表编制指南的修订版,成为 ISO2788修订版初稿的基础。 Unit 4 Vocabulary Organization The first information retrieval thesaurus attack dates back to 1959. In the early 1960s, the United States has accumulated rich experience in the preparation of thesauri. The accumulation of this experience led to the preparation of thesaurus guidelines which later led to the publication of national standards (eg, the standards of the United States, Britain, France, and Germany). In 1970, Unesco published guidelines on the preparation of monographs, and in 1974 published an international standard ISO 2788, a revised version of the Unesco Thesaurus prepared in 1981, which became the basis of the revised draft of ISO 2788.