Brian Kulis Arun C. Surendran John C. Platt Fast Low-Rank Semidefinite Programming for Embedding and Clustering. 235-242 2007 2 Journal of Machine Learning Research - Proceedings Track http://www.jmlr.org/proceedings/papers/v2/kulis07a.html db/journals/jmlr/jmlrp2.html#KulisSP07