Grammatical Framework Web Service Björn Bringert author Krasimir Angelov author Aarne Ranta author 2009-04 text Proceedings of the Demonstrations Session at EACL 2009 Jörn Kreutel editor Association for Computational Linguistics Athens, Greece conference publication bringert-etal-2009-grammatical https://aclanthology.org/E09-2003/ 2009-04 9 12