Gosse Bouma Geert Kloosterman Jori Mur Gertjan van Noord Lonneke van der Plas Jörg Tiedemann Question Answering with Joost at CLEF 2007. 257-260 2007 CLEF http://dx.doi.org/10.1007/978-3-540-85760-0_30 conf/clef/2007 db/conf/clef/clef2007.html#BoumaKMNPT07