To improve the accuracy of text clustering, fuzzy c-means clustering based on topic concept sub-space (TCS2FCM) is introduced for classifying texts.

为了改善文本聚类的准确度，提出用基于主题概念子空间的模糊c -均值聚类(TCS2FCM)方法来分类文本。

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Listing 1 shows an example of a concept topic for mechanical bearings.

清单1展示的例子是一个针对轴承的概念主题。

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DITA includes three information types derived from the base topic type: task, concept, and reference.

DITA包括三种从基本主题类型派生的信息类型：任务、概念和参考。

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The concept of forgiveness and redemption is a topic Gingrich repeatedly turns to when asked about his philandering past, and it seems to resonate with voters (or at least enough so that he persists as a serious contender for the GOP nomination).

FORBES: What if Hugh Hefner were Mitt Romney's Great-grandfather?

Since the concept of IW emerged in the mid-1990s as a topic of heated debate, its definition remains in a state of continual flux.

CENTERFORSECURITYPOLICY: What is IW?

They understand and like the concept of crowdfunding. 67.75% feel their specific knowledge of crowdfunding as a topic is high, ranking their understanding at a level of 8-10.

FORBES: Earlier this year I wrote in Harvard Business Review