Web mining -classification algorithms

my senior project is determining the dominant category of a web page.I crawled dmoz. now i am trying to build arff. After that i will use some feature extractio开发者_高级运维n methods and classification algorithms. Do you know which feature extraction method performs good with any classification algorithm for web mining?

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uClassify uses Bayesian Networks and claims to be able to categorize web pages.

uClassify is a free web service where you can easily create your own text classifiers. Examples:

• Spam filter
• Web page categorization
• Automatic e-mail support
• Language detection
• Written text gender recognition
• Mood
• Sentiment