Stasinos Konstantopoulos Athanasios Tegos Dimitris Bilidas Ion Androutsopoulos Gerasimos Lampouras Colin Matheson Olivier Deroo Prodromos Malakasiotis Adaptive Natural Language Interaction. 37-40 2009 EACL (Demos) http://www.aclweb.org/anthology/E09-2010 conf/eacl/2009 db/conf/eacl/eacl2009.html#KonstantopoulosTBALMDM09