Identification of subjective sentences is the foundation of text opinion analysis.

主观性句子的判别是文本观点倾向性分析的基础。

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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。

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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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"In short, in our opinion and analysis, the moratorium has not been working well in halting deforestation in Indonesia, " said Yuyun Indradi, Greenpeace forest campaigner in Indonesia.

CNN: Brazil vote sparks fears for future of rainforest

Opinion and analysis from Dahlia Lithwick.

NPR: Slate's Jurisprudence: High Court Dodges Padilla

Item 26: Newspapers must not have a hidden motive when expressing opinion or news analysis.

UNESCO: Communication and Information