retrieval ratio
英 [rɪˈtriːvl ˈreɪʃiəʊ]
美 [rɪˈtriːvl ˈreɪʃioʊ]
网络 检索率; 检索效率
双语例句
- In information retrieval, recall and precision are regarded as two inter-constraint measures. Semi-controlled indexing: an important method to improve the recall ratio of dissertations
在信息检索领域，查全率与查准率是一对相互制约的指标。半控标引是提高学位论文查全率的重要途径 - Based on the experimental data of2002,2003, and2004, the performance of various search engines is analyzed and measured by the Retrieval Error Ratio.
本文以2002到2004年间3年的实验数据，使用检索失误率为基准，衡量搜寻引擎回覆款目所提供之资料品质。 - This paper uses the authoritative databank from all over the world to compare the undetected problems in document retrieval, and discusses how to enhance the recall ratio and the precision ratio.
利用国内外医学权威数据库，将医学文献检索中易漏检的一些问题，通过检索实例进行比较，探讨如何提高查全率和查准率，让更多的科研人员掌握其检索技巧，从而更好地为科研服务。 - In the end, it put forward the limitations of it. RESULTS& CONCLUSION: CA on CD is the fundamental database for medicinal worker and its descriptor retrieval means has very high recall and precision ratio, so we should choose this means first.
结果与结论：CAonCD是医药学及化学工作者不可或缺的数据库之一，而主题检索方式具有较高的查全率和查准率，在实际工作中可作为首选。 - This paper makes systematic introduction to the literature sources and retrieval situation of EI Village 2 in EI Compendex, and probes into the methods for increasing the collection ratio of academic papers in EI Compendex database.
系统地介绍了EiVillage2中EICompendex（工程索引）的文献来源情况及其检索方法，并对如何提高科技论文在EICompendex数据库的收录率进行了探讨。 - The formation of retrieval model and the course of similar cases index based on fuzzy priority ratio is described in detail.
比较详细的叙述了实例检索模型的建立及基于模糊优先比的相似实例检索过程。 - To improve the throughput of Information Retrieval System, we need to research into inverted file compression techniques, to get the statuesque point between best compression ratio and the fastest decompression time.
要提高文件检索系统的性能，需要对倒排文件压缩技术进行研究与对比，以使文件检索系统在最大压缩比和最快的解压速度间寻找均衡，以到达最大的吞吐量。 - Considering measurement of credit risk comprehensively from the aspects of shift probability of credit grade, default probability and retrieval ratio solves optimal allocation of loan assets controlling both default risk and liquidity risk.
从信用等级转移概率、违约概率、以及挽回率等疗面综合地考虑信用风险度量问题，解决了兼控违约风险和流动性风险的信贷资产的最优分配问题。 - The Analysis of Classification and Subject Retrieval Ratio of Title Data Base of Chinese Social Sciences NewsPapers and Periodicals The fundamental purpose of research on information linguistics is to improve the information retrieval ratio through control.
对《中文社科报刊篇名数据库》分类主题检索效率的分析通过控制提高检索效率是情报语言学研究的根本目的。 - The experimental result indicated that, uses the roughest and the CBR technology to the similar weather retrieval. the speed is quick, the success ratio is high.
实验结果表明，采用粗糙集和范例推理技术的结合对相似天气范例的检索速度快，成功率高。 - This paper expounds the characteristics of the network database, probes into the standards of evaluating the network database such as the database contents, the retrieval system, the database cost, the utilization ratio of database and the database service.
论述了网络数据库的特点，探讨了网络数据库评价的标准，即数据库内容、检索系统、数据库成本、数据库利用率及数据库服务。 - S The main problems of indexing depth since 1960s are summarized in this paper, including the implications, calculation and control of indexing depth, the indexing depth versus retrieval ratio, and so on.
本文综述了60年代以来我国标引深度研究的主要问题，包括：①标引深度的涵义；②标引深度的计算和度量； - Based on the retrieval examples from fulltext database of China Journal Net, this paper attempts to explore the methods of improving recall and accuracy ratio in terms of selecting subject terms and logical relations.
本文结合作者的文献检索工作实践，以中国期刊同专题全文数据库的检索为例，从选择主题词与配置合适的逻辑关系两方面探讨了提高文献检索查全率与查准率的方法。 - Through the analysis of the target system, relations between influential factors in intrusion were searched and an optimal model was built, which would decrease the false retrieval and fallout ratio efficiently.
通过目标系统分析，寻求入侵影响因素之间的关系，建立最优模型，有效地降低了漏检率和误检率。 - Simulation results show that this method can retrieval desired image not only for diagnosis purpose, but also has high compression ratio.
仿真结果显示该方案在满足诊疗要求图像质量的前提下获得较为理想的压缩比。 - The fundamental purpose of research on information linguistics is to improve the information retrieval ratio through control.
通过控制提高检索效率是情报语言学研究的根本目的。 - Assemble model can draw components of retrieval system precisely, it can also be used to account recall ratio, and precision ratio.
集合模型能够精确地描述检索系统的构成，还可以用来计算检索的查全率和查准率。 - Compare the testing results, it could be found that the retrieval efficiency of the index file and the precision ratio of the ciphertext retrieval have been greatly improved after the optimization.
通过密文检索原型系统的性能测试可以发现，优化之后的密文检索技术在索引文件的检索效率和密文检索的查准率方面有了很大的提高。 - In this platform, classic information retrieval method ( keyword matching) and ontology-based information retrieval method are compared. The results suggest that, to some extent, the latter one show higher precision and recall ratio than the former one.
在该平台内，本文将传统基于关键词匹配的信息检索模型与本体检索模型进行对比，结论显示，后者相对于前者在一定程度上改善了检索的查全率和查准率。 - This technique requires only a few calculations and need not select the key frame ahead, which makes it to retrieve video real-time. Moreover, the many filtering processes can ensure high-precision retrieval ratio. 3.
本方法所需计算量较小，且不需预先提取关键帧，可实现实时检索，同时多级过滤过程可保证较高的检索精度。 - Therefore, we apply the aging simulation method proposed above into age-invariant face recognition and retrieval in order to simulate virtual samples with specific age to finally improve the recognition and retrieval ratio.
为此，本文将上述提出的人脸老化模拟方法运用到具有年龄跨度的人脸识别与检索中，模拟出特定年龄的虚拟样本增加人脸识别和检索率。 - And that, as a pre-processing step, the segmenting method by which motion blurred region can be segmented more precisely, is helpful to enhance retrieval ratio.
而且，文中提出的分割方法能较为精确地分割出运动模糊区域，以该方法作为图像检索的预处理，有助于提高检索的准确率。 - A semantic Web rough fuzzy ontology with actual application background is constructed, and then a prototype of information semantic retrieval system is designed and implemented. The precision ratio, recall ratio and retrieval time of the prototype are tested.
构建了一个具有实际应用背景的语义Web粗糙模糊本体，以此为基础，设计与实现了一个信息语义检索系统的原型，并验证了其查准率、查全率和检索时间。 - The existing independent search engines have the defects of low database coverage and low recall ratio. The meta search engine expands the scope of retrieval by scheduling several independent search engines, and improves the recall ratio to some extent.
现有独立搜索引擎存在数据库覆盖范围小、查全率偏低的缺陷，元搜索引擎通过调用多个独立搜索引擎的方式扩大了检索的范围，在一定程度上提高了查全率。