some other helpful books: - Data Mining, by Witten and Franke; describes basics with rigor, including how to use Weka, which they wrote http://www.amazon.com/

some other helpful books: - Data Mining, by Witten and Franke; describes basics with rigor, including how to use Weka, which they wrote http://www.amazon.com/Data-Mining-Practical-Techniques-Management/dp/0120884070/ http://www.amazon.com/Data-Mining-Practical-Techniques-Manag... a couple java-based books from Manning: - Collective Intelligence in Action (by Satnam Alag) and - Algorithms of the Intelligen Web (Marmanis, Babenko) -