分类数据

In this paper a decision tree classifier based on relevance analysis is proposed after discussing traditional algorithms.

分类是数据挖掘的一种非常重要的方法，它是在已有数据的基础上学会一个分

According to the geometric sense of classification problem and starting from dataset, four determinant algorithms for rotundity distribution, cirque distribution, sphericity distribution and columniation distribution are proposed.

本文利用分类问题的几何意义直接从数据集出发，按照两类样本点之间的距离关系，分别给出SVM训练集呈圆形、环形、球状、柱状分布的测试算法，为基于数据分布的核选择方法提供了实现的基础。

The essential features of the algorithm are as follows: A kernel modification algorithm is constructed according to the conformal mapping of information geometry and the modified kernel function is subsequently used to train the classification algorithm in support vector data description.

该算法的核心思想为：根据信息几何中保角映射的方法构造数据驱动的核函数修正算法，然后再利用修正的核函数训练支持向量数据描述分类算法。

To improve the openness and maintainability, the data is classified and data dictionary is also composed.

为提高数据库的开放性、可维护性，对数据进行了分类，编制了数据库数据字典。

By a simple data filtration mechanism and classified data distribution method, and considering the Dead Reckoning algorithm, the real-time performance and the reliability were improved.

采用一种简单的数据过滤机制和分类别的数据分发方法，并结合推算定位方法，提高了系统的实时性和可靠性。

In order to make good use of the advanced technology of data mining, two kinds of classifiers (C4.5 decision tree and support vector machine, SVM) from data mining are improved.

3为了有效地利用数据挖掘的先进技术，对数据挖掘中两种分类方法C4.5决策树以及SVM进行了改进。

On the basis of in-depth study of the OAI-PMH protocol, this paper analyses and compares the deficiency of existing index and classification methods, and proposes a clustering method to organize the mass metadata which is harvested by service provider of OAI-PMH. This provides a new effective way for the rational organization of the metadata in the service provider.

本文在深入研究了OAI-PMH协议的基础上，分析比较了现有的索引方式和分类方式的不足，提出了用聚类方式来组织OAI-PMH协议中服务提供者收割回来的大量元数据的方法，为服务提供者中元数据的合理组织提供了一种新的有效途径。

These evidences are then combined using Dempster′s Rule of combination.

新的土地覆盖数据在保持了中国土地利用数据的总体精度的同时，补充了中国植被图中对植被类型及植被季相的信息，更新了中国湿地图，增加了中国冰川图最新信息，使分类系统更加通用。

After a brief summary on data mining and rough set theory, the research works in the thesis can be descript as follows: 1. To the problem that finding rules in enormous data is very timeconsumable and the expansibility of existed algorithms is not very good, the thesis proposes a new method to discompose large data table based on the concepts of positive region and the importance of attribute in rough set theory.

Rough集理论是一种新型的处理不确定性知识的数学工具，围绕着数据挖掘领域存在的问题，本文利用Rough集理论与Rough分析工具，提出若干解决方案，同时在具体处理问题过程中引入了信息理论、因子分析等方法，与Rough分析结合使用，讨论了Rough集技术在知识发现、关联规则挖掘、模式分类以及数据清洗等问题中的应用。

The major difference between the results based on numerical data and binary data was obvious for ecotone communities.

采用二元数据和数量数据的排序及分类结果，其差别往往表现在过渡性群落区。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了