Multi-Component TAG and Notions of Formal Power William Schuler author David Chiang author Mark Dras author 2000-10 text Proceedings of the 38th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Hong Kong conference publication schuler-etal-2000-multi 10.3115/1075218.1075275 https://aclanthology.org/P00-1057/ 2000-10 448 455