【摘要】 探讨了查新课题检索策略调整方法 :阅读用户材料 ,了解课题创新点 ;相关文献较少时提高查全率的方法 ;噪声较大时提高查准率的方法 ;综合利用多种数据和检索工具。更多还原

【Abstract】 Discussed in this paper is how to adjust the search strategies in the literature evaluation for application of medical achievements,which may be adjusted by bringing forth new ideas on the basis of an overall reading of the materials provided by the users,improving the recall ratio and the precision ratio when related literature is few and the noise ratio is relatively high,utilizing simultaneousely a number of databases and retrieval tools.更多还原