TREC

QA system is one of the most important task of TREC .

问题回答系统是TREC上最重要的一个任务之一。

Filtering Threshold Adjusting Algorithm Based on TREC Target Optimization

基于TREC目标优化的过滤阈值调整算法

The test of applying radar TREC wind in three - dimensional variational assimilation

雷达TREC风的三维变分同化应用与试验

Application of modified TREC algorithm during the Olympic regatta in Qingdao

改进的TREC算法在奥帆赛测试期的应用

Experiments data are also given on the 2001 text retrieval conference ( TREC 10 ) Web corpus .

还给出了新的算法在2001文本检索会议（TREC10）的Web语料上的实验数据。

Design and implement prototype system , and we have conducted the test in Entity Track of TREC 2009 .

设计并实现了实体答案提取及主页查找原型系统，并在TREC2009的实体任务中进行了评测。

Estimate of thymic function reconstitution after haematopoietic stem cell transplantation : TREC

TREC-评价造血干细胞移植后胸腺功能重建的研究现状

A Winnow Linear Classifier and Its Application in TREC 2003 Novelty

一种Winnow线性分类器及其在TRECNovelty任务中的应用

Target-oriented Optimization in TREC Adaptive Information Filtering

TREC自适应信息过滤中的目标优化技术研究

Tracking radar echoes by correlation , trec ;

雷达回波相关跟踪法；

Methodological Study of Detecting TREC with Real-time Fluorescent Quantitative PCR in Peripheral Blood of Patients after Hematopoietic Stem Cell Transplantation

实时荧光定量PCR检测造血干细胞移植后患者外周血TREC的方法研究

Application of an improved TREC algorithm ( cotrec ) for precipitation nowcast

一种改进后的交叉相关法（COTREC）在降水临近预报中的应用

Analysis results of two cases indicate that the tracked motion vectors can be markedly improved after quality control and optimization processes to TREC algorithm .

个例对比分析表明：算法在通过质量控制和优化处理后，追踪的回波移动矢量质量明显改善。

The Text REtrieval Conference ( TREC ) is the most important academic interaction and system evaluation fo-rum in the information retrieval community .

文本检索会议（TextRetrievalConference，TREC）是目前国际上信息检索领域最重要的学术交流与系统评测活动。

The results show that adoption of Winnow has obtained significant improvement in TREC ( Text REtrieval Conference ) 2002 filtering track .

结果显示Winnow分类器的采用在2002年度的TREC（文本检索会议）过滤任务中取得了显著的性能提高。

According to mandate of the Conference TREC , we used HITS algorithm for comparison . The algorithm proved its efficiency and feasibility by experiment results .

利用HITS算法，根据TREC会议的任务模式对算法进行了比较验证，证明算法在召回率-精度上的表现优于传统算法。

We make use of the questions on TREC as our training and test data . The answer patterns to different question types are studied and evaluated automatically .

借助TREC的评测问题集作为我们的训练与测试数据，对不同的问题分类类型进行答案模式的自动学习与评价。

By the experiment on the TREC test set shows that , compared to a simple language model , this method has made consistent and substantial improvement . 3 .

通过在TREC测试集上进行的实验表明，相对于未进行查询扩展的简单的语言模型，本文的方法在检索性能上取得了一致性大幅的提高。

The evaluations in TREC data show that , the precision of text retrieval can be improved around 10 % after using the two kinds of semantic computation technologies .

利用TREC数据集进行的评测表明，采用了语义计算技术后，文本检索的准确率可以提高10%左右。

And on standard TREC Chinese experimental data collections , it answers the following two questions : ( 1 ) How about the performance of Chinese statistical language model - IR model ?

并在标准的TREC中文实验数据集上，回答了下面两个问题：（1）中文统计语言模型-IR模型的性能如何？

TREC ( Text Retrieval Conference ) is the most important conference in IR field . Adaptive Filtering track is one of the most important tasks in TREC .

TREC（TextRetrievalConference）是信息检索领域中最重要的国际会议，文本过滤是TREC的重要任务之一，自适应过滤是过滤任务的最重要的子任务。

TREC plays an important role in the research area of text retrieval and filtering , and the adaptive filtering track is one of the most important tasks in TREC .

自适应过滤是文本检索会议（TREC）过滤任务的重要子任务，也最接近真实的环境。

The structure and working principle of the distributed retrieval system for large scale text collection is elaborated . The experiment based on TREC 2006 data proves that the distributed retrieval system is effective and efficient .

阐述了一个分布式大规模文本检索系统的结构和工作原理，并且基于TREC2006的数据进行实验，得出了分布式检索系统具有有效性和高效性的结论。

Experimental results on the dataset of TREC Web track show that our proposed algorithm can boost the search accuracy of classical PageRank by more than 15 % in terms of mean average precision .

TREC标准数据集上的试验表明，N-stepPageRank算法能够有效地提高网页搜索的精确度，MAP指标比经典的PageRank的提高超过15%。

This paper studied the effects of using of link information for Web IR in TREC experiment , including link anchor text , link structure and the combination of link-based retrieval and traditional content-based retrieval .

本文通过TREC实验研究基于链接信息的检索对Web信息检索的影响，包括使用链接描述文本，链接结构以及将基于链接的方法和传统基于内容检索的方法合并。

With the same evaluation method as TREC ( Text Retrieval Conference ) 2003 , large scale retrieval experiments based on improved decision tree algorithm achieves more than 40 % improvement than the ones based on the original algorithm .

在2003年文本信息检索会议（TextRetrievalConference，简称TREC）标准的评测条件下，基于此种改进决策树算法的大规模网络信息检索实验获得了超过基本算法40%的性能提高。

Experiment results with TREC 9 show that query expansion based on the context is a smarter method . Compared with the results of common query expansion , query expansion based on the context can get statistically significant improvement .

在TREC-9中文信息检索测试集上进行的实验表明，相对于通常简单的查询扩展，基于上下文的查询扩展方法取得了具有统计意义提高的检索效果。

Experimental results of TREC ( text retrieval conference ) genomics track show that the performance of relationship-oriented biological text retrieval can be improved by 15.34 % in terms of mean average precision ( MAP ) .

在国际性评测会议TRECGenomics提供的标准数据集上的实验结果表明，该算法可以显著地改善生物文本信息检索的性能（平均检索精度提高15.34%）。

Text Retrieval Conference ( TREC ), which is sponsored by the National Institute of Standards and Technology as well as the Defense Advanced Research Projects Agency , is the most authoritative international evaluation conference about text retrieval .

由美国国家标准技术局和国防部高级研究计划局组织召开的文本检索会议（TREC）是文本检索领域最具权威的国际评测会议。

The experimental demonstration design of this paper was provided by TREC 2006 Chinese corpus , and the experimental results showed that the method could significantly differ spam from the normal mail , and could also effectively filter Chinese spam mail .

论文以TREC2006所提供的中文语料库设计了实验论证，实验结果表明本文方法可明显区别垃圾邮件与正常信件的不同，可以有效对中文垃圾邮件进行过滤。