Mark Steedman Anoop Sarkar Miles Osborne Rebecca Hwa Stephen Clark Julia Hockenmaier Paul Ruhlen Steven Baker Jeremiah Crim Bootstrapping statistical parsers from small datasets. 331-338 2003 EACL http://acl.ldc.upenn.edu/E/E03/E03-1008.pdf db/conf/eacl/eacl2003.html#SteedmanSOHCHRBC03