RCV1-v2/LYRL2004: The LYRL2004 Distribution of the RCV1-v2 Text Categorization Test Collection (12-Apr-2004 Version) David D. Lewis Ornarose, Inc. and David D. Lewis Consulting A. Introduction This web page describes RCV1-v2/LYRL2004, a text categorization test collection which is distributed as a set of on-line appendices to a JMLR journal article. A.1. How to (Not) Cite This Document In most cas