Mark Steedman Rebecca Hwa Stephen Clark Miles Osborne Anoop Sarkar Julia Hockenmaier Paul Ruhlen Steven Baker Jeremiah Crim Example Selection for Bootstrapping Statistical Parsers. 2003 HLT-NAACL http://acl.ldc.upenn.edu/N/N03/N03-1031.pdf db/conf/naacl/naacl2003.html#SteedmanHCOSHRBC03