Elisa Noguera Fernando Llopis Antonio Ferrández Alberto Escapa Evaluation of Open-Domain Question Answering Systems within a Time Constraint. 260-265 2007 conf/aina/2007w1 AINA Workshops (1) http://doi.ieeecomputersociety.org/10.1109/AINAW.2007.176 db/conf/aina/ainaw2007-1.html#NogueraLFE07