Efficient Linearization of Tree Kernel Functions Daniele Pighin author Alessandro Moschitti author 2009-06 text Proceedings of the Thirteenth Conference on Computational Natural Language Learning (CoNLL-2009) Suzanne Stevenson editor Xavier Carreras editor Association for Computational Linguistics Boulder, Colorado conference publication pighin-moschitti-2009-efficient https://aclanthology.org/W09-1106/ 2009-06 30 38