1.
keyword and UDC index
关键词和国际十进分类法索引
2.
Universal Decimal Classification, UDC
《国际十进分类法》
3.
keyword and context index
关键词和上下文索引
4.
Universal decimal system.
国际通用十进分类法
5.
The Key Technology Research on Deep Web Directory Search Engine;
Deep Web分类搜索引擎关键技术研究
6.
Keywords are very useful for information retrieval, automatic summarizing, text clustering/classification and so on.
关键词在文献检索、自动文摘、文本聚类／分类等方面有十分重要的作用。
7.
A word that serves as a key to a code or cipher.
关键词密码或索引中重要的词
8.
International Patent Classification Cumulative and Linguistic Advanced Search System
国际专利分类累积和语言先进检索系统
9.
Keywords Extraction Algorithm Based on Text Self-motion Categorization
基于自动文本分类的关键词抽取算法
10.
Improvement of Chinese Text Categorization Model Based on CKWP
基于类内关键词的中文文本分类模型的改进
11.
An analysis of indexes of key words in the academic papers--Taking China Social Science for example;
学术论文关键词标引分析——以《中国社会科学》为例
12.
Search Result Clustering Based on Keyword Extraction
基于关键词提取的搜索结果聚类研究
13.
Type the page title, description, and keywords that best describe your Web site. This information is used by search engines to generate search results.
键入描述网站最贴切的页标题、描述和关键词。搜索引擎使用这些信息生成搜索结果。
14.
Web Document Automatic Classification Based on Keywords
基于关键词的Web文档自动分类算法研究
15.
Nippon Decimal Classification, NDC
《日本十进分类法》
16.
The retrieval of a data record in an indexed file by the primary (or optionally, alternate) key within the data record.
在索引文件中，通过数据记录中的主要关键字或可选关键字进行数据记录的检索的一种方法。
17.
An Approach for Keyword-Based Image Retrieval in Unannotated Image Databases
一种在无标注图像库中进行的基于关键词的检索方法
18.
The Study and Implemention of Some Key Technologies in Search Engine System Based on Classification Semantics;
基于分类语义的搜索引擎中若干关键技术的研究与实现