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| 科技查新中查全率与查准率的辨析 | |
| 引用本文： | 王小利,曹导叶,王杉. 科技查新中查全率与查准率的辨析[J]. 科技情报开发与经济, 2010, 20(14): 139-140,212 |
| 作者姓名： | 王小利 曹导叶 王杉 |
| 作者单位： | 陕西省科学技术信息研究所科技查新中心,陕西西安,710054 |
| 摘 要： | 查全率和查准率是评价文献检索效果的两项重要指标,通过对影响查全率和查准率的因素分析,探讨了查新对查全率和查准率的要求,指出查新中应注重查全率且保证查准率。 |
| 关 键 词： | 科技查新 检索效果 查全率 查准率 |
Discrimination of Recall Ratio and Precision Ratio in Sci-tech Novelty Retrieval |
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| WANG Xiao-li,Cao Dao-ye,Wang Shan. Discrimination of Recall Ratio and Precision Ratio in Sci-tech Novelty Retrieval[J]. Sci-Tech Information Development & Economy, 2010, 20(14): 139-140,212 | |
| Authors: | WANG Xiao-li Cao Dao-ye Wang Shan |
| Affiliation: | WANG Xiao-li,Cao Dao-ye,Wang Shan |
| Abstract: | Both recall ratio and precision ratio are the important indexes to evaluate the result of literature retrieval. Through analyzing the factors influencing the recall ratio and precision ratio,this paper probes into the requirements of novelty retrieval on recall ratio and precision ratio,and points out that people should pay attention to recall ratio and guarantee the precision ratio in novelty retrieval. |
| Keywords: | sci-tech novelty retrieval retrieval result recall ratio precision ratio |
| 本文献已被 维普 万方数据 等数据库收录！ | |