Bidirectional parsing of TAG without heads Víctor J Díaz author Miguel A Alonso author Vicente Carrillo author 2000-05 text Proceedings of the Fifth International Workshop on Tree Adjoining Grammar and Related Frameworks (TAG+5) Université Paris 7 conference publication diaz-etal-2000-bidirectional https://aclanthology.org/W00-2009/ 2000-05 67 72