查询词典 classification system

Data classification is an important task of data mining, and developing high-powered classification algorithm is one of the key problems for data mining.

数据分类是数据挖掘中的一个重要课题，研究各种高效的分类算法是数据挖掘的重要问题之一。

Then it's hopeful for us to inquire into the problem of topological classification of topological spaces,not being confined to their homotopy classification.

这篇文章就将利用平环和M|¨bius带三角剖分导出的复杂网络的研究成果来猜测新的拓扑不变量。

According to the above characteristics of shallow buried target discrimination, the hyperplane SVM, which has achieved the best classification results for many classification problems in different fields by now, has been modified to yield the FHS-SVM, which uses the hypersphere in the kernel space to separate shallow buried target and clutter.

根据浅埋目标鉴别的特点，对在许多领域的分类问题中取得迄今为止最好分类结果的超平面SVM进行了改进，得到利用核特征空间的超球面区分浅埋目标和杂波的FHS-SVM。

Experimental results indicate that the new method yields higher precision and speed than classical SVM multi-class classification methods. support vector machine ; multi-class classification ; semi-fuzzy kernel clustering ; hypersphere

处理该类问题时，由于分类数目多、训练样本规模大，在已经出现的SVM分类方法中，一次性求解方法因计算复杂度过高、精度较低而不实用。one-against-one(1v1)方法、Directed Acy

This thesis mainly studies some related algorithms on text classification and hypertext classification.

本文主要研究文本信息分类和超文本信息分类的相关算法。

In view of it is the standard limiting value rather than the normal value in the ground waterquality classification standard, and the stipulation causing inconvenient and chaotic inapplication, this paper putout the ground water quality classification normal value.

针对"地下水质量标准"中规定的是"地下水分类指标标准限值"而常用地下水质量综合评价模型中使用的是"标准值"造成的使用不便和混乱，给出了"地下水质量分类标准值"

Compared with water classification results and collected information of water quality analysis results which provided by hydrological monitor station from 1991 to 2000, this study shows that the result of component-supervised classification is good inosculation with the environment element of lake water and can also reflect the tendency of water quality varies basically.

将其分类结果与所收集的洪泽湖历年水质资料对比分析表明：主成分监督分类结果与环境要素吻合较好，且基本反映了其水质环境的变化趋势。

The original Classification Certificate for Machinery was withdrawn and the content of the boiler therein was cancelled and therefore a new interim Classification Certificate for Machinery was issued.

船东声明锅炉已经遏制施用，收回原轮船上的发动机入级证书，锅炉内容取消，发姑且轮船上的发动机入级证书

It combines the HENN method based on the biomimetic pattern recognition theory and the SVM method with error correction ability. The HENN is used for the first classification to get the intermediate result, and the SVM with error correction method is used to solve the intermediate result and all the training samples for the second classification.

它将基于仿生模式识别理论的超椭球神经网络方法与具有纠错能力的SVM方法结合起来，首先使用超椭球神经网络进行第一次分类得到中间结果，将全体训练样本和中间结果放入具有纠错能力的SVM中进行二次分类。

N[1] and[2], the classification theory of indices set of irreducible nonnegative matrices isstudied,according to that theory . An algorithm for the period and the classification of indices setof irreducible nonnegative matrices are given. Using this algorithm.

文［1］和［2］讨论了不可约非负矩阵指标集的分类理论，在此基础上，本文给出了不可约非负矩阵的周期与指标集的分类算法，这一算法能同时求出周期与同余类，当矩阵的阶不大时，该算法容易在图上实现。

Now he worked in ajoint venture.

现在他在一家合资企业工作。

More troops in Afghanistan won't change any of the foregoing.

更多的在阿富汗的军队也不会改变之前的状况。