Almost-Constant-Time Clustering of Arbitrary Corpus Subsets.

Craig Silverstein Jan O. Pedersen Almost-Constant-Time Clustering of Arbitrary Corpus Subsets. 60-66 1997 conf/sigir/97 SIGIR db/conf/sigir/sigir97.html#SilversteinP97 SIGIR1997/P060.pdf db/conf/sigir/SilversteinP97.html