Ron Bekkerman Hema Raghavan James Allan Koji Eguchi Interactive Clustering of Text Collections According to a User-Specified Criterion. 684-689 2007 conf/ijcai/2007 IJCAI http://dli.iiit.ac.in/ijcai/IJCAI-2007/PDF/IJCAI07-109.pdf db/conf/ijcai/ijcai2007.html#BekkermanRAE07