主题标引的标准化问题是标引工作的核心问题,尤其在手工标引情况下,人们因其思维能力,专业水平的差异,对同一档案信息可能会概括出不同的主题内容,即使能概括出同一主题,又由于各人在语言表达能力和习惯上的差异,不能保证给出相同的主题标识即主题词,以银行术语“信贷”为例,习惯上的名称有“借贷”“放款”贷款”等都表示同一概念,这就不可避免地产生同义词和多义词现象,造成计算机检索的漏检或误检。有资料表明,一篇文献同时由六名标引人员标引,一致率仅百分 The standardization of thematic indexing is the core issue of indexing work. Especially in the case of manual indexing, people may summarize different subject matter for the same file information because of their differences in thinking ability and professional level, even though they can be summarized The same subject, but also because of the differences in language skills and habits, can not be guaranteed to give the same subject ID that is the subject, the bank term “credit”, for example, the customary name of “loan” “loan” loans "And so on all mean the same concept, which inevitably produces synonymous and polysemy phenomena, resulting in missed or misdiagnosed computer search.Some data show that a document cited by the six indexing staff at the same time, only a percentage of agreement