A Grammatical Approach to Understanding Textual Tables Using Two-Dimensional SCFGs Dekai Wu author Ken Wing Kuen Lee author 2006-07 text Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions Association for Computational Linguistics Sydney, Australia conference publication wu-lee-2006-grammatical https://aclanthology.org/P06-2116/ 2006-07 905 912