Óscar Ferrández Daniel Micol Rafael Muñoz Manuel Palomar On the Application of Lexical-Syntactic Knowledge to the Answer Validation Exercise. 377-380 2007 CLEF http://dx.doi.org/10.1007/978-3-540-85760-0_48 conf/clef/2007 db/conf/clef/clef2007.html#FerrandezMMP07