pdf dblp CRM114 versus Mr. X: CRM114 Notes for the TREC 2005 Spam Track Fidelis Assis | William S. Yerazunis | Christian Siefkes | Shalendra Chhabra Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005