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查准率

n.precision ratio
网络Precision; Recall; Precision Rate

查准率

英-汉网络释义

查准率

Precision

查准率（Precision）（精度）是衡量某一检索系统的信号噪声比的一种指标，即检出的相关文献与检出的全部文献的百分比。 …

precision ratio

精华区文章阅读 ... precision potentiometer 精密电位器 precision ratio 查准率 precision snap-acting switch 精密快动开关 ...

Recall

本文使用查准率( Recall) 和查全率( Precision) [2] 作为衡量的指标. 表2 总结了用Cut2Point 方法对结果进行筛选后的情况,图4 ...

Precision Rate

2.5.1 查准率(Precision Rate)29

Pertinency Factor

2、查准率（Pertinency Factor）查准率是衡量拒绝非相关信息的指标。 3、漏检率（Omission Factor）漏检率是衡量损失所 …

Accuracy ratio

查准,search... ... ) pertinency ratio 查准率 ) Accuracy ratio 查准率 ...

precision coefficient

情报学专业词汇（转载）_峰海_新浪博客 ... precision ceiling 最高查准率； precision coefficient 查准率； comparable to 相同 …

例句：

Experiment results show that this method can improve precision ratio to a certain extent, but recall ratio greatly .

实验表明，该方法会有效提升查全率并且会改进查准率。

Experiment results showed that the system is able to unify the high efficiency , high recall ratio and high precision ratio into one.

经实验验证，该系统实现了高处理效率、高查全率和高查准率的有机统一。

The experiments show that this system improved performance indicators of the search engine's recall and precision greatly . 2.

实验表明，该系统在信息查全率、查准率等方面都有较大的提高。

The experimental results show that the proposed approach improves the recall and precision ratio of the information retrieval .

实验结果表明，该方法在检索的查全率和查准率方面都有很大的提升。

Semantic similarity is the crucial factor affecting the precision rate and recall rate of semantic information retrieval system .

语义相似度是影响语义检索系统查准率和查全率的重要因素。

The experimental results show that the two-dimensional indexing structure has a good performance in precision rate and efficiency of search .

实验结果表明，这种二维索引结构在查准率，查找效率等方面有很好的性能。

According to this new retrieval method, the accuracy and recall rates would be adjusted by different requirement of users .

这种检索方法可根据用户的不同需求有效地调节元数据的查准率和查全率。

Experiments show that the algorithm has high recall and precision and deals with the confusion of synonymy , polysemy . . .

实验表明其查全率和查准率较高，并且有效处理了文本的同义、多义和歧义现象。

The experimental results demonstrate that the AMQE technology can greatly improve the recall and precision of the original algorithms .

实验结果表明该方法可以显著提高原有检索算法的查全率和查准率。

Ontology-based semantic reasoning raises the system 's recall and precision .

通过本体的语义推理，提高了检索系统的查全率和查准率。

XML own markup language information and structural features that make retrieval easier , and can improve the accuracy of retrieval rate.

XML 文档的置标语义信息和结构化特点，使检索更易于实现，且能改善检索时的查准率。

The method can effectively improve the accuracy and the integrity of image searching and enhance the flexibility of image searching .

通过本发明，可以有效提高图像检索的查准率和查全率，增强图像检索的灵活性。

To solve the problem that local analysis for query expansion gets low precision in information retrieval, a new method was proposed .

针对查询扩展中局部分析方法查准率不高的缺点，提出一种新算法。

Finally , the precisions and recalls of single feature, multi-feature integration and relevance feedback are calculated and compared .

最后分别给出基于单一特征，特征融合和相关反馈方法的查准率和查全率，并对试验结果进行分析。

There is a great promotion of both precision and recall of answers within these improvements .

通过这些方法的改进提升了答案的查准率和查全率。

Experimental results show that CCOM is of very good recall and precision .

实验证明本方法具有较好的查全率与查准率。

Meanwhile , the precision can be raised to 75% by user log learning .

而通过日志学习，能将查准率提高到 75%以上。

based on CBR, an algorithm for case retrieval based on tree matching is given to improve the efficiency of retrieving case from repo.

提出基于树匹配的实例检索算法，以提高实例检索的查准率和查全率。

From the two aspects of recall and precision ratio, the three algorithms are compared .

文章从查全率和查准率两个角度，对三种算法进行比较。

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