Abstract: Keyword filtering is relied on in many fields such as books review system, news commentary system, BBS, etc.

摘要：图书审核、新闻评论和社区论坛等系统都依赖于关键字过滤。

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Instead there are competing services, like Trendrr, BlueFin and SocialGuide, all of which make their own guesstimates to track commentary on Twitter, Facebook, etc.

FORBES: Social TV Data Is Not The New Nielsen: How It Might Be Better