http://develop.lib.tsinghua.edu.cn/infoweb/ 机器学习: http://develop.lib.tsinghua.edu.cn/infoweb/boardview.jsp?bid=2921&page=6&pid=7356&mode=1&level=2&s=d http://jmlr.csail.mit.edu/papers/ Support Vector Clustering: http://www.cs.colostate.edu/~asa/