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In online public opinion analysis, the people need for automatic tools to find the exact information among the magnanimous information sources for further analysis.
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。
Blog is an important kind of network information resources, and the extraction of its comments is the basic work of public opinion analysis researches and of such work.
博客作为一类重要的网络信息资源，其评论信息抽取是舆情分析等研究工作的基础。
According to the requirement of online public opinion analysis, this paper builds an online public opinion hotspot detection and analysis system based on document clustering.
根据对网络舆情分析的需求，构建出基于聚类的网络舆情热点发现及分析系统。
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