Changes in Tweet Geolocation over Time: A Study with Carmen 2.0 Jingyu Zhang author Alexandra DeLucia author Mark Dredze author 2022-10 text Proceedings of the Eighth Workshop on Noisy User-generated Text (W-NUT 2022) Association for Computational Linguistics Gyeongju, Republic of Korea conference publication zhang-etal-2022-changes https://aclanthology.org/2022.wnut-1.1/ 2022-10 1 14