Text clustering is an important technology for Topic Detection and Tracking.
文档聚类是实现话题检测与跟踪的重要方法。
New topic detection is an important research in the field of topic detection and tracking.
新话题监测是话题检测与跟踪领域的一项重要研究。
At present, there are many researches about Topic Detection and Tracking, but these analyses aim at news events mainly.
目前对话题识别和话题跟踪的研究非常多，但这大都是对新闻事件进行分析。
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