查全率

该方法具有比使用动态轨迹的Aspect挖掘方法更高的查全率。

This method has the higher recall than the Aspect mining using event traces .

传统的Web服务发现采用基于关键字和服务分类的查询技术，易导致低查准率和低查全率问题。

The present technology of web service discovery based on keyword and service categories can easily lead to low accuracy and recall .

另外，本文的XML孤立点数据清理算法也能达到较高的准确率和查全率。

In addition , outlier data cleaning method for XML can achieve higher accuracy and the recall level .

这些方法扩展了XML文档查询范围，提高了文档的查全率和查准率。

They extend scope for searching XML documents , and improve recall and precision for searching XML documents .

通过实例说明该方法提高了候选Aspect的查全率。

Through the practical example , the improved aspect mining approach improves the recall of the aspect candidate .

随着Web上的信息猛速增长，基于关键词全文匹配的传统搜索引擎，已不能满足用户在查全率、查准率方面的需求。

With the information explosion on Web , the traditional keyword-based search engines cannot meet users ' demand for recall ratio and precision any more .

为此，研究者纷纷引入语义Web的思想，试图提高Web服务发现的查全率和查准率。

Then , the researchers have introduced the idea of the Semantic Web , trying to improve the recall rate and the precision of Web service discovery .

随着Web服务技术的发展和应用，具有较高查全率和查准率的语义Web服务的相关问题成为了当前研究的热点。

With the development and application of web service technology , the higher recall rate and precision of the semantic web service has become the current research focus .

过滤的策略是根据过滤的结果，循环、不断优化过滤特征，提高过滤的查准率（precision）和查全率（recall）。

Filtering strategy is that the characteristic rules are continuously optimized according to the Filtering result , which improves precision and recall .

最后采用典型的电子商务网站和门户网站作为实验WEB数据源，采用数据抽取评价指标查全率和查准率来评价该抽取器的性能。

Finally choosing typical WEB e-commerce site and portal website as experimental data source , using data extraction evaluation recall and precision to evaluate the performance of the extractor .

传统的Web服务发现主要是基于关键字的，缺乏对语义的支持，因而在服务发现方面的查全率和查准率较低。

However , the traditional discovery of Web service is mainly based on keywords , lacking support for semantic . Therefore , it has a lower recall rate and precision .

传统的Web服务匹配是基于关键字的匹配，由于缺乏足够的语义信息，这种匹配方式的查全率和查准率都不高。

The traditional Web Service matching is based on the key words matching . However , the lack of semantic information leads to the low recall and precision of this matching .

针对根据目前网络信息检索存在的查全率和查准率低的特点，提出一种个性化的局部上下文分析方法，以提高Web信息检索的性能。

Since the precision and recall of Web information retrieval systems was very low now , a new method for automatic query expansion to improve the performance of retrieval was presented .

语义思想的应用，使P2P系统能够理解搜索请求，有利于检索性能，特别是查全率的提高。

In addition , semantic idea assists P2P system better understanding the search and improving its performance , especially recall rate .

Web服务发现的研究目标是检索效率（比如查全率和查准率）和自动化程度的提高。

The main purpose of the research on Web Services Discovery is to increase the search efficiency ( such as recall ratio and precision ratio ) and to realize the discovery automation .

实验表明，该方法的抽取性能在查全率和F值方面优于其它的一些数据抽取方法。

Experimental results on data sets showed that the approach with tree automata compared favorable against some other approaches in the F-score and recall .

实验结果使用查全率、查准率和F1值等多项评价指标来衡量。

Recall , Precision and F1 are used as the evaluating indicators of experiments results .

采用查全率、查准率和F1值等指标分析实验数据。

The experimental data were evaluated by the indicators of recall , precision and F1 value .

该文在分析了传统关键词检索方法不足的基础上，提出基于功能的Web服务语义相似匹配，从查全率和查准率两方面对服务的检索质量进行了改进。

Based on the analysis of the insufficiency of traditional keyword search , capacity-based semantic similarity matchmaking for Web service is proposed . It improves the precision and recall of quality of Web service searching .

同时提出基于属性共现度的匹配方法提高模式属性的查全率和查准率。（3）提出了面向内容的Web数据库分类方法。

At last , we use attribute co-concurrency to matching more schema attributes and improving the precision and recall of our approach . ( 3 ) The content-oriented classification approach for Web database is proposed .

根据时间占用度，空间占用度及准确率、查全率、F值等进行了性能评测，系统良好。

According to the time occupancy , occupancy degree and accuracy , recall , F value for the performance evaluation , etc. , the system is good .

MEDLINECD-ROM光盘中副主题词对主题词查全率影响的探讨

The Research of Retrieval Results Affected by Subheadings to Headings in MEDLINE CD-ROM

通过FPA软件实现了本算法，对查全率和性能进行了分析。

The algorithm is implemented by FPA , and its performance is discussed .

最后分析了SIR的可用性，证明了SIR可极大地提高语义网上信息检索的查全率和查准率。

SIR can significantly enhance the recall and precision of the information retrieval by the semantic inference . Finally , the practicability of the SIR model is analyzed .

在当前Web服务的研究中，大多数的学者都倾向于将语义Web和Web服务结合起来，使得Web服务具有语义，提高了Web服务发现的查全率和查准率。

In the current study of Web service , most scholars tend to combine semantic Web with Web service . It makes Web service having semantic , and improves recall rate and precision of Web service discovery .

用户在Web上检索信息时，通常使用门户网站所提供的搜索引擎工具，但目前的搜索引擎普遍存在查全率和查准率低、不具备个性化等问题。

A user always uses the search engine provided by the portals when he is searching information on the Web , but the existing search engines usually have the problems of low precision and lack of personality .

论文通过Ontology技术在文档检索领域的应用，在信息表示的层次上解决了传统的基于关键词检索中存在的查全率和查准率不高的问题。

This paper resolves the problems of lower recall factor and pertinency factor in traditional keywords-based retrieval system in the layer of information description by using Ontology technique .

目前，Internet中已经存在着许多搜索引擎系统，但是在功能上和性能上它们都存在着一些缺陷，尤其是查全率和查准率。

Now , many search engine systems are already in use on the Internet , but these search engines have some bugs in function or quality , especially in the rate of precision and whole of information .

实验表明，基于Rough本体的搜索引擎能够提高查全率和查准率，有着重要的研究价值。

The test shows that the search engine which is on the basis of Rough ontology can improve the recall and the precision , and it has important value of research .

本文围绕查全率和查准率的效率问题，引入树匹配思想，对基于XML的元数据检索进行了深入的研究。

This thesis aims at the efficiency problem of accuracy and recall rate in XML retrieval . Based on tree matching , the thesis makes a further study on the XML retrieval technology about metadata .