Sebastian Tschöpel author Daniel Schneider author Rolf Bardeli author Oliver Schreer author Stefano Masneri author Peter Wittenburg author Han Sloetjes author Przemek Lenkiewicz author Eric Auer author 2011-09 text Cristina Vertan editor Milena Slavcheva editor Petya Osenova editor Stelios Piperidis editor Association for Computational Linguistics Hissar, Bulgaria conference publication tschopel-etal-2011-avatech https://aclanthology.org/W11-4113/ 2011-09 86 89