Horacio Saggion Kalina Bontcheva Hamish Cunningham Robust Generic and Query-based Summarization. 235-238 2003 conf/eacl/2003 EACL http://acl.ldc.upenn.edu/E/E03/E03-2013.pdf db/conf/eacl/eacl2003.html#SaggionBC03