Landmark Classification for Route Directions Aidan Furlan author Timothy Baldwin author Alex Klippel author 2007-06 text Proceedings of the Fourth ACL-SIGSEM Workshop on Prepositions Fintan Costello editor John Kelleher editor Martin Volk editor Association for Computational Linguistics Prague, Czech Republic conference publication furlan-etal-2007-landmark https://aclanthology.org/W07-1602/ 2007-06 9 16