Confounds and Consequences in Geotagged Twitter Data Umashanthi Pavalanathan author Jacob Eisenstein author 2015-09 text Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing Lluís Màrquez editor Chris Callison-Burch editor Jian Su editor Association for Computational Linguistics Lisbon, Portugal conference publication pavalanathan-eisenstein-2015-confounds 10.18653/v1/D15-1256 https://aclanthology.org/D15-1256/ 2015-09 2138 2148