A linear time extension of deterministic pushdown automata Anders Søgaard author 2009-05 text Proceedings of the 17th Nordic Conference of Computational Linguistics (NODALIDA 2009) Kristiina Jokinen editor Eckhard Bick editor Northern European Association for Language Technology (NEALT) Odense, Denmark conference publication sogaard-2009-linear https://aclanthology.org/W09-4626/ 2009-05 182 189