关键词检索方法在科技查新中的应用研究

Keyword Search Method Application Research on Science and Technology Novelty Check

主要论述了运用关键词检索在检索结果不理想的情况下,可考虑调整检索范围,对关键词进行适当的扩展.若检索结果还不满意,可采用分类号-关键词组合进行检索,以弥补使用关键词检索的不足,并对检索策略进行优化,从而提高文献的查全率和查准率.

When making key word-retrievals,in unsatisfied conditions,adjusting the scope of results should be taken into concern in order to extend the range of keywords.If the results is still unsatisfied,the combination of class number and keyword can be used to compensate for the shortage of keywords retrievals and improve the search strategy,enhancing the accuracy and completion of the result of document retrieval.