KD Nuggets posts articles on Data Mining, Knowledge Discovery, Genomic Mining, Web Mining that range from the serious to the silly, along with other resources. Current and past issues are available to 1993, and the site...

An undergraduate tutorial on wallpaper groups, with illustrations of the 17 wallpapers groups and a wallpaper gallery. Technically, the derivation of all discontinuous groups of rotation and translation in the plane....

If you are inspired to try the process, the Weka Machine Learning Project from Waikato University offers open source software that can be used for data mining tasks. Visitors can also find the projects 1993 to 2006...