Entity Linking on Microblogs with Spatial and Temporal Signals Yuan Fang author Ming-Wei Chang author 2014 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal fang-chang-2014-entity 10.1162/tacl_a_00181 https://aclanthology.org/Q14-1021/ 2014 2 259 272