Shared Tasks of the 2015 Workshop on Noisy User-generated Text: Twitter Lexical Normalization and Named Entity Recognition Timothy Baldwin author Marie Catherine de Marneffe author Bo Han author Young-Bum Kim author Alan Ritter author Wei Xu 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 baldwin-etal-2015-shared 10.18653/v1/W15-4319 https://aclanthology.org/W15-4319/ 2015-07 126 135