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一.什么叫主题法和主题目录图书资料的检索工具有两种传统的组织方法,一种叫分类法,用分类法组织的资料目录叫分类目录。一种叫主题法,用主题词法组织的目录叫主题目录。主题法就是按图书资料所论述的对象,即事物本身、学科或涉及的问题等(主题),用具有检索价值的规范化词汇(主题词)加以标引,并将这些主题按字顺的形式组织成目录,形成一种检索工具。而分类法是按知识体系,即以资料的内容属于什么学科作为出发点,借助于符号语言(类号)来组织目录,形成一个严密的体系。
First, what is the theme of the theme and the theme of the book information retrieval tools There are two traditional methods of organization, one is called classification, taxonomy organized by the information directory called classification catalog. A method called thematic law, organized by thematic lexicon called thematic directory. The thematic method is based on the book information object, that is, the thing itself, subjects or issues involved (topics), with the retrieval of the value of standardized words (keywords) to be indexed, and these topics are organized in the form of the word order Into the directory, forming a search tool. The taxonomy is based on the knowledge system, that is, the content of the information belongs to what subject as a starting point, with the help of symbolic language (category) to organize the directory, forming a tight system.