Spatial Aggregation Facilitates Discovery of Spatial Topics Aniruddha Maiti author Slobodan Vucetic author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication maiti-vucetic-2019-spatial 10.18653/v1/P19-1025 https://aclanthology.org/P19-1025/ 2019-07 252 262