Towards Invariant Meanings Of Spatial Prepositions and Preverbs Jean-Pierre Desclés author Ewa Gwiazdecka author Azucena Montes-Rendon author 2001 text Proceedings of the ACL 2001 Workshop on Temporal and Spatial Information Processing conference publication descles-etal-2001-towards https://aclanthology.org/W01-1303/ 2001