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?

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