title: scalable feature selection , classification and signature generation for organizing large text databases into hierarchical topic taxonomies prabhakar raghavan , byron dom , rakesh agrawal , soumen chakrabarti 1998. authors: nan. venue: vldb j.. year: nan
title: using taxonomy , discriminants , and signatures for navigating in text databases. authors: soumen chakrabarti , byron dom , rakesh agrawal , prabhakar raghavan. venue: very large data bases. year: 1997.0