David Pinto José-Miguel Benedí Paolo Rosso Clustering Narrow-Domain Short Texts by Using the Kullback-Leibler Distance. 611-622 2007 conf/cicling/2007 CICLing http://dx.doi.org/10.1007/978-3-540-70939-8_54 db/conf/cicling/cicling2007.html#PintoBR07