Alexander Yates Michele Banko Matthew Broadhead Michael J. Cafarella Oren Etzioni Stephen Soderland TextRunner: Open Information Extraction on the Web. 25-26 2007 HLT-NAACL (Demonstrations) http://www.aclweb.org/anthology/N07-4013 conf/naacl/2007 db/conf/naacl/naacl2007.html#YatesBBCES07