层次分类

结果：我们提出了一个半自动的程序用于获得蛋白质域结构的一个新的层次分类（CATH）。

RESULTS : We present a semi-automatic procedure for deriving a novel hierarchical classification of protein domain structures ( CATH ) .

层次分类诊断模型的面向对象实现

Object-Oriented Realization of a Diagnostic Model Based on Hierarchical Classification

基于Ontology的领域知识库层次分类体系的构建

Ontology - based Construction of Hierarchical Categorization System of Domain Knowledge Base

一种基于SVM的网页层次分类算法

A hierarchy categorization algorithm based on SVM

接着对传统的信息检索技术进行了综述，分析研究了Web信息检索系统的层次分类，搜索引擎的基本结构与工作原理，探讨了搜索引擎的发展方向；

Then it overviews the the technologies of traditional information retrieval , researches the hierarchical classifications of Web information retrieval systems ( IRS ), and the basic structure and principle of SE , probes the directions of the development of SE .

人们往往需要从海量遥感数据中获取不同层次分类知识，并将这些知识应用到遥感图像分类中，以加快遥感图像分析处理的速度和准确性，最终建立以遥感图像为基本数据源的智能GIS。

People usually need to retrieve different levels of knowledge from very large volume RS data , and then apply this knowledge to RS image segment , so as to improve the efficiency and accuracy of RS image analysis and to establish a RS image based intelligent GIS .

通过设计飞机燃油系统层次分类诊断模型，构建了专家系统知识库和推理机，利用CB工具开发了飞机燃油神经网络故障诊断专家系统。

By designing multilayer neural network model of aircraft fuel system , knowledge base and infer engine are built , and by means of CB tool , the relevant software environment is set up . Consequently the neural network fault diagnostic expert system of aircraft fuel system is successfully developed .

为了评估层次分类性能，本文提出了一种新的层次分类性能评估框架PMFHC，该框架引入了类别相似度和类别距离的概念，在评估时充分考虑类别之间的层次结构关系对分类性能的影响。

We establish a new performance measurement framework ( PMFHC ) for hierarchical classification which using category similarity and distance that capture the relationships between categories .

将文档按照主题进行层次分类，利用Fisher线性判别式的思想来提取每一类的正特征词和负特征词，给出基于Fisher线性判别式的层次文档分类算法（HDCF）。

To categorize documents hierarchically according to their topics , the thought of Fisher linear discriminant is utilized to get positive feature words and negative feature words in each category , and the algorithm of a hierarchical document categorization is given based on Fisher linear discriminant ( HDCF ) .

然后着重介绍了一个基于神经网络的文本自动分类系统NNTCS，重点阐述了特征提取、空间降维、层次分类和分类器训练等技术的实现方法。

Then this paper presents a text classifier based on neural networks ( NNTCS ) as the main topic . Some key techniques implemented in this classifier , such as feature extraction , dimension reduction , hierarchical classification and classifier training , are discussed in details .

多层次分类支持向量机在水质评价中的应用

Application of multiple classified support vector machine in water quality assessment

信息不完全的多准则层次分类方法研究

Study on hierarchical discrimination approach of multi-criteria classification with incomplete information

基于规则动态解析的层次分类树控件

Divisive Hierarchical Clustering Tree Control Based on Dynamic Parse of Rule

一种融合本体和上下文的自适应层次分类模型

An Adaptive Hierarchical Model Based on Fusion of Ontology and Context

俄罗斯高等教育层次分类述评

The Classification of the Layers of Higher Education in Russia

社会学的研究对象应该遵循分层定义原则，按层次分类定义。

The researching object of sociology should follow the principle of sub-definition .

人力资本的基本性质与三层次分类

The Basic Nature and Three Levels Classification of Human Capital

应用信息熵方法对地下水观测网的层次分类&以河北平原地下水观测网为例

Entropy-based grouping of groundwater monitoring network : Groundwater monitoring in Hebei plain

基于隶属度和规则的层次分类诊断模型

Hierarchic Classification Diagnosis Models Based on Membership Grade and Rules

分类是指由不同级别构成的层次分类。

A taxonomy is a hierarchical classification made with levels .

基于向量空间模型与规则匹配相结合的文本层次分类系统的研究

Research of Hierarchical Text Categorization System Based on VSM and Rule Matching

本文将最大熵模型用于邮件分类中，比较了多种特征组合方式、特征数、迭代数、层次分类及直接分类的分类效果。

Maximum Entropy Model is applied to Email categorization .

这允许P/S消息按层次分类。

This allows P / S messages to be categorized into a hierarchy .

层次分类诊断模型的多重结构神经网络实现与应用

Implementation and Application of Hierarchical Classification Diagnostic Model with Multi hierarchical Neural Networks

一种基于层次分类与纹理分析的指纹识别方法

A Fingerprint Identification Method based on Multi-level Shape Classification and Texture Feature Analysis

基于模糊统计分析模型的概念层次分类研究

Investigation of Concept Hierarchy Classification Based on the Model of Fuzzy Statistical Analysis

企业知识型员工的层次分类及其激励模式研究

The Research on Classification and Motivation of Knowledge Workers

论化学物质的进化和化学物质的层次分类

Evolution of Chemical Matter and Its Level Classification

在特征提取问题上，论文提出了一种摄像机运动的层次分类方法。

For feature extraction , the author proposes a qualitative camera motion classification approach .

层次分类中的机器学习方法研究

Approach Research of Machine Learning in Hierarchy Classification