Leveraging study of robustness and portability of spoken language understanding systems across languages and domains: the PORTMEDIA corpora. - Lefèvre, Fabrice; Mostefa, Djamel; Besacier, Laurent; Estève, Yannick; Quignard, Matthieu; Camelin, Nathalie; Favre, Benoît; Jabaian, Bassam; Rojas-Barahona, Lina Maria (2012)