Data Mining is the extraction of valuable insights and patterns from large volumes of data using statistical and machine learning methods.
SVMlight is an implementation of Support Vector Machines (SVMs) in C. The author Thorsten Joachims designed a special input format to represent training/test data. It is also widely used by a lot of other programs.
Here is a brief introduction of the input format.
Jiawei Han是UIUC的教授,以前方向database,后来转data mining,是一个严谨而亲切的大牛老爷爷.
最近大清邀请他来做个报告,实验室接待这位老爷爷.蹭个福利要了个签名.
Ha! Ha!! Ha!!! Ha!!!! Ha!!!!! (more…)
Collaborative Filtering, 协同过滤是推荐系统(Recommender System)中最常见的一种手法,它之于推荐系统,就好像TF-IDF之于信息检索. (more…)