Factoring Recursion and Dependencies: An Aspect of Tree Adjoining Grammars (TAG) and a Comparison of Some Formal Properties of TAGs, GPSGs, PLGs, and LPGs Aravind K Joshi author 1983-06 text 21st Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Cambridge, Massachusetts, USA conference publication joshi-1983-factoring 10.3115/981311.981314 https://aclanthology.org/P83-1002/ 1983-06 7 15