Identification of Implicit Topics in Twitter Data Not Containing Explicit Search Queries Suzi Park author Hyopil Shin author 2014-08 text Proceedings of COLING 2014, the 25th International Conference on Computational Linguistics: Technical Papers Junichi Tsujii editor Jan Hajic editor Dublin City University and Association for Computational Linguistics Dublin, Ireland conference publication park-shin-2014-identification https://aclanthology.org/C14-1007/ 2014-08 58 68