Nonnegative Lagrangian Relaxation of <i>K</i>-Means and Spectral Clustering.

Chris H. Q. Ding Xiaofeng He Horst D. Simon Nonnegative Lagrangian Relaxation of <i>K</i>-Means and Spectral Clustering. 530-538 2005 conf/ecml/2005 ECML http://dx.doi.org/10.1007/11564096_51 db/conf/ecml/ecml2005.html#DingHS05