Automatic Identification of Expressions of Locations in Tweet Messages using Conditional Random Fields Fei Liu author Afshin Rahimi author Bahar Salehi author Miji Choi author Ping Tan author Long Duong author 2014-11 text Proceedings of the Australasian Language Technology Association Workshop 2014 Gabriela Ferraro editor Stephen Wan editor Melbourne, Australia conference publication liu-etal-2014-automatic https://aclanthology.org/U14-1025/ 2014-11 171 176