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信息过滤技术
相关语句
  information filtering technology
     RESEARCH ON BBS INFORMATION FILTERING TECHNOLOGY
     BBS信息过滤技术研究
短句来源
     Information filtering technology and the implementation
     信息过滤技术及Visual J++实现
短句来源
     The Design and Implementation of Bad Information Filtering Technology Based on Internet
     基于互联网的不良信息过滤技术的设计与实现
短句来源
     Research for Information Filtering Technology Based on Text Content
     文本内容的信息过滤技术研究
短句来源
     Information Filtering Technology in Information Network
     信息网络中的信息过滤技术
短句来源
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  “信息过滤技术”译为未确定词的双语例句
     Researches on Multimedia Information Filtering Technologies in the Internet
     Internet中多媒体信息过滤技术的研究
短句来源
     Technology and Implementation Method on Personal Information Filtering Based on Agent
     基于Agent的个性化信息过滤技术与实现方法
     A Study on the Personalized Agent-based Information Filterling Technology and Its Implementation
     基于Agent的个性化信息过滤技术的研究及实现
短句来源
     The technology of information filtering is the hotspot in current study.
     信息过滤技术是当前研究的热点。
短句来源
     Research on Internet Oriented Information Filter Technology
     面向互联网的信息过滤技术研究
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  相似匹配句对
     The Filtering Technology of Search Engine
     搜索引擎的信息过滤技术
短句来源
     The Research of Information Filtering
     信息过滤技术研究
短句来源
     INFORMATION TECHNOLOGY
     信息技术
短句来源
     Research on Filtratting Technology of Chinese Information
     中文信息过滤技术的研究
短句来源
     RESEARCH ON BBS INFORMATION FILTERING TECHNOLOGY
     BBS信息过滤技术研究
短句来源
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  information filtering technology
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A concept of the critical magnitude, displacement and the deviatsion of peak ground motion for the trinity of random variables is firstly introduced under condictions that the peak of seismic ground motion at the site is given. fused on the distributions of the critical variables, three total probability integratlons to the equivalent each other are presented, in which an analytical expression of the integration is deduced over the variables of magnitude and deviation. There is no need for correction of attenuation...

A concept of the critical magnitude, displacement and the deviatsion of peak ground motion for the trinity of random variables is firstly introduced under condictions that the peak of seismic ground motion at the site is given. fused on the distributions of the critical variables, three total probability integratlons to the equivalent each other are presented, in which an analytical expression of the integration is deduced over the variables of magnitude and deviation. There is no need for correction of attenuation uncertainty since the effects are all taken into account on the probabilistic integration, but on the other hand, there is a discussion on the existing correction approch of that and a suggestion is made on the revision of the approch. In generally, the probabilistic integration with non-unifordrity of seisdricity can only be calculated by using of numerical methode. The analytical form which is in terms of the space weight - matrix is offered, so that the numerical calculation which accounts for dodrination portion is reduced, and the precision improved obviously. It is suggested that the spatial weight- matrix is determined through the approch of "filtering information". The numerical results of some potential source zones in the seisndc belt of southeastern coastal China are shown as an example. In recent years, the data files are applied to a program developed by auther and the analyses in all the region indicated that good results are achieved.

将震级m、距离r以及地震动误差ε三个随机变量视为一“体”,在场址地震动峰值给定条件下,首先引入临界震级、临界距离和临界误差的概念。根据临界值变化的性质,给出了三种相互等价的全概率积分,并对其中的一种导出了它对震级-误差积分的解析表达式。由于本文给出的全概率积分均已包含衰减的随机影响,因此不存在不确定性校正问题;但与此同时,对现行的不确定性校正方法提出了一个修正建议。地震活动空间非均匀的概率积分,一般只能数值求解。本文所给出的表达式不仅具有解析特征,而且空间权重矩阵直接出现其中,这就使占绝对比重的大部分计算工作显著减轻,计算精度亦相应提高。最后,本文采用“信息过滤”技术给出了一个确定空间权重矩阵的实用方法,并以我国东南沿海地震带为例,列示了其部分数值结果。经笔者近年来在自编程序上大范围内应用表明,实际效果良好。

HT5”SS]With the rapid development of the network, the exploding volume of digital information make it very difficult to use for users. Then, the researches focus on the information filtering technology which can reduce the users' burden in the course of obtaining the network information. Firstly, The paper introduce two filtering model ——Boolean model and Vector Space model. After this, the paper give a detailed introduce to the famous information passive service system ——SIFT including its working principle...

HT5”SS]With the rapid development of the network, the exploding volume of digital information make it very difficult to use for users. Then, the researches focus on the information filtering technology which can reduce the users' burden in the course of obtaining the network information. Firstly, The paper introduce two filtering model ——Boolean model and Vector Space model. After this, the paper give a detailed introduce to the famous information passive service system ——SIFT including its working principle and filtering kernel. Finally, the paper analysis SIFT's function and character and point out some defects in the filtering system. [HT5”H]

随着网络信息数量的迅猛增长 ,“信息过载”、“信息超载”现象引起了人们的重视。信息过滤技术就是为了克服上述现象 ,减少用户在获得信息过程中的负担 ,向用户提供数量适宜、质量优良的信息。本文在略述了信息过滤技术的产生背景后 ,介绍了两种比较常用的信息过滤模型——布尔逻辑模型和向量空间模型。SIFT是一个著名的信息服务系统 ,它的核心就是信息过滤技术。因此 ,文章还详细地介绍了 SIFT的工作原理和其中所使用到的信息过滤技术 ,并且对 SIFT的性能、特点进行了分析 ,指出了它的一些不足

Based on diverse interests and preferences of users, information filtering technology provides personalized service for each user. It is the bridge which connects the users and the information space. This paper describes and discusses the key technologies of information filtering system, including system framework, information space model and user model, information filtering algorithm, information delivery strategy and the future work.

信息过滤技术针对用户之间不同的兴趣、爱好 ,为用户提供个性化的信息服务 ,是连接用户和信息空间的桥梁。描述并讨论了信息过滤系统中的关键技术 ,主要内容有 :系统框架、信息空间模型与用户模型、信息过滤算法、信息递送策略以及下一步的工作。

 
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