In the dictionary matching based Chinese word automatic assignment indexing, there is some difficulty in additional indexing of proper noun.

Subject assignment indexing of Chinese

汉语主题赋词标引

Research of Dynamic Compound Indexing for Moving Objects Based on Road Distribution

基于道路分布的移动对象动态组合索引研究

State Analysis of the Subject Indexing and Quality Control

主题标引状况分析及质量控制

A study of Assembly in Document Subject Indexing

文献主题标引中的组配问题

The Subject Indexing of Network Information Resources Based on SKOS

基于SKOS的网络信息资源主题标引

The Using of Free Words in Subject Indexing for Retrieval Journals

检索期刊主题标引中自由词的运用

Free term indexing is a supplement for subject indexing of Chinese Classified Thesaurus.

自由词标引是对以《中国分类主题词表》为依据的主题标引的补充。

Rules of Free Term Indexing for Chinese Books Deposited in National Library of China

国家图书馆中文图书自由词标引规则

Thematic indexing is divided into free indexing and controlled indexing according to the post-trial world-list. The Study of a Numerical Controlled Indexing Mechanism for All the Surface of Bolted Sphere Node of Grid's Machining

主题标引依是否使用词表，分为自由标引和受控标引两种。网架节点球全球面数控分度夹紧装置研制

This paper discusses the existing problems in key words indexing and introduces the free indexing methods in an effort to get the accurate and standardized key words efficiently.

鉴于高校学报学术论文中关键词标引现状，探讨了关键词的概念和如何抽取，介绍了自由标引关键词的方法，旨在使学报关键词的标引更加快捷、准确和规范。

The Experiment on Comparing Automatic Indexing with Free Indexing of the News Database

新闻数据库自动标引与自由标引的比较实验

The Study of the Question of Free Indexing

自由标引问题研究

Manned indexing experiences based auto-classifying tries to solve this problem through the principle of the compactness and inter changeableness of information search languages. However, direct application of indexing phrases to match the targets causes a series of problems in the actual situations.

基于人工标引经验的自动分类试图通过情报检索语言兼容互换的原理解决这一问题，然而直接应用标引词串对分类进行匹配在实际应用中产生了一系列的问题。

Some problems in controlled thesaurus indexing are pointed out: low indexing efficiency, relation net among the descriptors and new terms aren't developed, and uncertain coordinate indexing.

分析了建立情报检索系统时受控主题标引的不足之处：标引效率低、语义网得不到扩充、不一致的组配标引。

Coordinate Indexing of Subjects

主题词组配标引

This type of coordinate indexing is said to be manually operated, since the recording of the accession number onto the features card is done by hand.

这种类型组配被称为是人工操作的，因为在特征卡上写登记号是用手写的。

The quality analysis of keywords indexing system of Chinese academic journals

我国学术期刊关键词标引质量探析

A new type NC indexing system based on planetary sphere mechanism

基于行星钢球机构的新型数控分度系统

An Automatic Subject Indexing System Based on Feedback Rule Learning

基于反馈规则学习的医学文献主题自动标引系统

Research and Development of Automatic Indexing System of Biology Literature

生物学文献的自动标引系统的研究与开发