USFD: Twitter NER with Drift Compensation and Linked Data Leon Derczynski author Isabelle Augenstein author Kalina Bontcheva author 2015-07 text Proceedings of the Workshop on Noisy User-generated Text Wei Xu editor Bo Han editor Alan Ritter editor Association for Computational Linguistics Beijing, China conference publication derczynski-etal-2015-usfd 10.18653/v1/W15-4306 https://aclanthology.org/W15-4306/ 2015-07 48 53