This paper introduces a text filtering system merging topic classification based on vector space model and sentiment classification based on support vector machine.

该文介绍了一种文本过滤算法，该算法把基于空间向量模型的主题分类算法与基于支持向量机文本态度分类结合起来。

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Chapter II discusses topic classification in TV talk show. According to the size of topic scope, we divide it into three categories: discourse topic, turn topic and sentence topic.

第二章讨论电视谈话节目中的话题的种类，根据话题辖域的大小首先分成话语话题、话轮话题和语句话题。

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Publishers typically add a topic header to the message that classifies the message according to the topic model or classification scheme of the notifications.

发布者通常向消息添加一个主题头部，根据通知的主题模型或分类模式确定该消息的类别。

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