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导出词

相对关键词导出词是对单个媒体的概括与通称。它的意义在于对媒体的检索和分类。例如:《现代汉语辞典》,其导出词可以是:辞典;汉语;工具书。

总之每个导出词必须是要能概括整个媒体的词汇。这样才能使检索者对于一类或在一个较大的范围内的媒体进行检索,而且从图书馆或检索机构的角度来看导出词也是分类法的又一应用。

问题

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由于语言的多变性包括同义词、近意词、多义词等(以上例:到底是词典、辞典还是字典;是工具书还是检索书如果没有一个统一的定型,导出词的应用也就无从谈起),导出词的应用应遵守一个整体的《导出词词典》(假设)。例如:在德语地区的书目网络化每个“图书馆联盟”都有一个导出词数据库,给出了所有导出词出现的可能性,当图书馆管理员在给出导出词时必须与这一数据库上给出的标准导出词进行核对,以避免多个同义或近意词的出现。

应用

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1. 在查找出单个书目时,相应的导出词会提示该书目所在书类的范围。这样会利于读者在查找单个书目的同时,有机会找到另一大类的书。

2. 书目检索当中,提供了“或”、“和”两种选择。有利于限制书目检索的范围。

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导出词
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