Josef Steinberger Mijail Alexandrov Kabadjov Massimo Poesio Olivia Sanchez-Graillet Improving LSA-based Summarization with Anaphora Resolution. 2005 conf/naacl/2005 HLT/EMNLP http://acl.ldc.upenn.edu/H/H05/H05-1001.pdf db/conf/naacl/naacl2005.html#SteinbergerKPS05