Identifying Twitter Location Mentions Bo Han author Antonio Jimeno Yepes author Andrew MacKinlay author Qiang Chen author 2014-11 text Proceedings of the Australasian Language Technology Association Workshop 2014 Gabriela Ferraro editor Stephen Wan editor Melbourne, Australia conference publication han-etal-2014-identifying https://aclanthology.org/U14-1023/ 2014-11 157 162