Boris Katz Matthew W. Bilotti Sue Felshin Aaron Fernandes Wesley Hildebrandt Roni Katzir Jimmy J. Lin Daniel Loreto Gregory Marton Federico Mora Özlem Uzuner Answering Multiple Questions on a Topic From Heterogeneous Resources. 2004 TREC http://trec.nist.gov/pubs/trec13/papers/mit.qa.pdf conf/trec/2004 db/conf/trec/trec2004.html#KatzBFFHKLLMMU04