PDF files are important resource of Internet information extraction.
PD F文件网络信息抽取的重要资源。
Entity Relation Extraction is an important research field in Information Extraction.
实体关系抽取是信息抽取领域中的重要研究课题。
Identifying entity relation of sentence is important technology of information extraction.
识别句子中实体关系是信息抽取的重要技术。
Identification of Organization names is a very important content in information extraction.
机构名识别在信息抽取中是一个重要研究内容。
The core work of this essay is to develop a system of PDF Information Extraction based on XML.
本文最主要的工作是构造了一个基于XML的PD F信息抽取系统。
Information Extraction is an organic unity of resources and techniques, customized to practical USES.
信息提取是一个有机融合多种资源和技术、面向实际应用的研究。
Altered rock information extraction is one of the important topics in the remote sensing exploration.
遥感找矿异常提取是遥感地质学的重要研究内容之一。
This thesis mainly studies relative algorithms on text information extraction based on wrapper model.
本文研究基于包装器模型的文本信息抽取算法。
This paper describes a method of information extraction which combines grammatical inference with HMM.
本文提出了一种结合文法推断和HMM进行信息提取的方法。
Data mining is an information extraction activity whose goal is to discover hidden facts contained in databases.
数据挖掘是信息提取的活动，其目标是发现隐藏的事实数据库。
Therefore, this lexical domain ontology model used for Chinese information extraction is reasonable and effective.
因此，这种用于汉语信息抽取的词汇领域本体模型是合理和有效的。
Now many information extraction techniques based on different principle have appeared and have different capabilities.
目前出现了基于不同原理的多种信息抽取技术，它们具有不同的性能。
These heuristics act as filters that can be parameterized and toggled to perform the web block information extraction.
这些试探起到过滤器的作用，通过参数的设置和调整，可使它更好地达成对主体信息块的抽取。
In information extraction, it is a common task to extract concepts such as persons, products, or email addresses from texts.
在信息提取中，一个常见的任务就是从文本中提取诸如人员、产品或电子邮件地址等概念。
Assembly information model and the assembly information extraction are the base of building the system of digitized assembly.
装配信息模型及装配信息提取是构建数字化装配系统的基础。
Unlike information Retrieval, information Extraction Systems extract factual information directly from natural language texts.
与信息检索不同，信息抽取直接从自然语言文本中抽取事实信息。
It indicated that computer carry on automatic to classify can make the good result in artificial building information extraction.
结果表明利用计算机进行自动分类在人工建筑物信息提取中也能取得好的效果。
Information retrieval: search algorithms, information extraction, question answering, cross-lingual retrieval and multimedia retrieval.
信息获取：搜索算法、信息抽取、自动应答、跨语言获取、多媒体获取。
This paper analyses the concept of information extraction, different kinds of extraction, the structure and function of this system.
文章分析了信息抽取的主要概念、主要分析了信息抽取的类型和信息抽取系统的一般结构及功能。
The technology of linear information extraction is one of the important research branch in current remote sensing application study area.
线性体提取技术是当前遥感应用研究领域中一个很重要的研究方向。
Information extraction is one of focal points in remote sensing image processing. This paper studies one approach of road feature extraction.
遥感影像中的信息提取一直是图像处理的研究热点之一，阐述了在道路特征提取方面的一些经验。
The primary experiment shows that the recognition has a good precision and a similar recall compared to common information extraction systems.
实验表明，该方法具有较好的准确率、召回率与通常的信息提取性能相当。
Information extraction is a main approach for constructing database from free text corpus and for automatic collecting intelligence information.
信息抽取是从自由文本语料库构建数据库，实现情报自动收集的有效途径之一。
Furthermore, for part of speech tagging usually causes semantic loses, semantic tagging is suggested to be the method for medical information extraction.
并且，针对词性标注容易引起语义缺失的问题，提出了以语义标注作为医案信息抽取规则的方案。
This paper proposes a new algorithm using hidden Markov model for information extraction based on multiple templates due to the variety of training data.
针对训练数据来源的多样化，提出了基于多模板隐马尔可夫模型的文本信息抽取算法。
The combined use of principal component transform and IHS color transform provides a powerful information extraction tool for multispectral data processing.
主成分变换和彩色变换相结合，为多波段数据信息提取提供了一种新的方法。
In information extraction, many unattached info can be extracted by regular expressions, and there often comes conflict between different regular expressions.
在信息提取中，有些独立性强的信息可以基于正则表达式来识别，这常会带来正则式的冲突问题。
Nowadays information extraction plays important role in information processing, and entity extraction is the essential research area in information extraction.
在信息处理中信息提取具有越来越重要的作用，其中实体提取是一个重要研究方向。
On the basis of studying the algorithm of information extraction of assembly tree, the algorithm of assembly information extraction based on UG is put up forward.
在此基础之上，对装配树信息提取的算法进行了研究，并提出了一种基于UG装配环境的装配信息提取算法。
The speckle noises of SAR images make the image-interpretation complicated, and deteriorate the effectiveness of classification and information extraction procedures.
SAR图像斑点噪声使图像解译变得复杂，并降低了图像分类和信息提取的有效性。
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