However, traditional Search Engine adopts full-text retrieval technique based on keyword match, and it results in having no all-sided retrieval result and more outlying information.
然而由于传统的搜索引擎基本上都是采用基于关键词匹配的全文检索技术，导致检索结果不全、无关信息过多。
Text extraction is a key technique in content-based video retrieval as textual information plays an important role in describing the content of image.
文字信息在描述图象内容时起着重要的作用，因此文字提取及识别是基于内容视频检索的关键技术。
The text information retrieval visualization based on knowledge models is the visualized retrieval with metadata information of information resources.
基于知识模型的文本信息检索可视化，是利用信息资源的元数据信息来进行可视化检索。
By the research on the existent IR (Information retrieval) technology, a text retrieval model based on inference network is designed.
在研究现有文本信息检索技术的基础上，设计了基于推理网络的文本检索模型。
The main task of the thesis is the design and implementation of a Chinese full-text information retrieval prototype system based on the Lucene search engine.
论文的主要工作是基于Lucene搜索引擎，设计并实现了一个中文全文信息检索原型系统。
The main task of the thesis is the design and implementation of a Chinese full-text information retrieval prototype system based on the Lucene search engine.
论文的主要工作是基于Lucene搜索引擎，设计并实现了一个中文全文信息检索原型系统。
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