The reuters corpus was used for a lot of papers, and TREC. http://lucene.grantingersoll.com/2008/05/18/open-source-search-engine-relevance/ http://lucene.grant

The reuters corpus was used for a lot of papers, and TREC. http://lucene.grantingersoll.com/2008/05/18/open-source-search-engine-relevance/ http://lucene.grantingersoll.com/2008/05/18/open-source-sear... http://jmlr.csail.mit.edu/papers/volume5/lewis04a/lyrl2004_rcv1v2_README.htm http://jmlr.csail.mit.edu/papers/volume5/lewis04a/lyrl2004_r...