LTAG Semantics for Questions Maribel Romero author Laura Kallmeyer author Olga Babko-Malaya author 2004-05 text Proceedings of the 7th International Workshop on Tree Adjoining Grammar and Related Formalisms Owen Rambow editor Matthew Stone editor Simon Fraser University Vancouver, Canada conference publication romero-etal-2004-ltag https://aclanthology.org/W04-3325/ 2004-05 186 193