Yang Hu Jingdong Wang Nenghai Yu Xian-Sheng Hua Maximum Margin Clustering with Pairwise Constraints. 253-262 2008 ICDM http://dx.doi.org/10.1109/ICDM.2008.65 conf/icdm/2008 db/conf/icdm/icdm2008.html#HuWYH08