自顶向下则着重于利用现成的页面信息，从中自动抽取出有意义的信息。
The top-down approach is focused on leveraging information in existing web pages, as-is, to derive meaning automatically.
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。
Information extraction is a main approach for constructing database from free text corpus and for automatic collecting intelligence information.
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。
Information retrieval: search algorithms, information extraction, question answering, cross-lingual retrieval and multimedia retrieval.
本文探讨了用神经网络从模式中自动抽取特征向量并确定特征向量是否已具有足够特征信息的方法，给出了计算机模拟的结果。
In this paper, we have studied the method of drawing automatically from pattern and assessing whether feature vectors contain enough feature information. The result of computer simulation is given.
并探讨了在元数据中利用模板自动抽取信息的一些原理及方法。
This article also probes into some theories and methods of automatic extraction of information from metadata by using template mining.
术语自动抽取是中文信息处理中的一个很重要的课题。
Automatic Term Extraction is an important issue in Chinese Information Processing.
自动问答系统是自然语言处理研究中的一个热门的研究方向，主要集问题分析、信息检索、答案抽取等于一体。
Question answer System is a subject of great topic study orientation in studying natural language processing, mainly including question analysis, information retrieval and answer collection.
本文在归纳逻辑编程的框架下提出了一种多槽规则自动获取方法，解决了信息抽取中知识获取和知识表示的瓶颈问题。
In this paper we put forward an automatic multi-slot rale acquisition method under the ILP framework and solved the knowledge acquisition and representation bottleneck.
提出一种新的网页信息抽取方法，基于子树的广度可不加区分地对不同科技文献网站的页面信息进行自动抽取。
This paper proposes a new method which can extract the useful information from the different document sites automatically based on the breadth of a sub-tree.
在网络舆情分析中，人们迫切需要自动化的工具在海量信息中抽取所需要的信息，以供进一步分析利用。
In online public opinion analysis, the people need for automatic tools to find the exact information among the magnanimous information sources for further analysis.
本文利用现有的信息检索技术，对海量数据集上自动抽取关键词问题进行了研究，给出了一个基于特征组合的关键词自动抽取方法。
With the current technology of Information Retrieval, this paper proposes a method of automatic keyword extraction from massive data sets based on feature combination.
本文提出了一种基于路径学习的信息自动抽取方法，并采用该方法编制了一个商品价格信息自动抽取系统。
This paper brings forward an information retrieval method based on path learning that is used in a price information extracting system.
自动问答系统一般包括三个主要组成部分：问题分析、信息检索和答案抽取。
In general, a Question Answering system is made up of three parts: Question Analysis, Information Retrieval and Answer Extraction.
将基于汉语自动分词的综合信息抽取技术应用于信息检索，具有实际应用意义和价值。
The extraction information technology based on Chinese Automatic segmentation with the information index system has practic...
实验结果证明，该方法能不依赖科技文献网页的来源而自动地抽取相关信息，并能保证较高的数据抽取回召率和查准率。
Experimental result shows this method automatically extracts the information ignoring where Web sites the pages come from and has high accuracy in terms …
通过信息项的抽取路径自动生成信息项的领域本体，通过信息项的领域本体解析出信息项的抽取规则。
Through the domain ontology which is automatically generated by the extraction path, get the extraction rules of the information items.
提供关键信息抽取、有价值信息自动推荐等个性化服务。
ALIRS also supplies the personalized services such as key information extraction and valuable information recommendation.
提供关键信息抽取、有价值信息自动推荐等个性化服务。
ALIRS also supplies the personalized services such as key information extraction and valuable information recommendation.
应用推荐