Olivier Ferret Brigitte Grau Martine Hurault-Plantet Gabriel Illouz Laura Monceaux Isabelle Robba Anne Vilnat Finding An Answer Based on the Recognition of the Question Focus. 2001 TREC http://trec.nist.gov/pubs/trec10/papers/qaLIR.pdf db/conf/trec/trec2001.html#FerretGHIMRV01