Linguistic Redundancy in Twitter Fabio Massimo Zanzotto author Marco Pennacchiotti author Kostas Tsioutsiouliklis author 2011-07 text Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing Regina Barzilay editor Mark Johnson editor Association for Computational Linguistics Edinburgh, Scotland, UK. conference publication zanzotto-etal-2011-linguistic https://aclanthology.org/D11-1061/ 2011-07 659 669