Why Gender and Age Prediction from Tweets is Hard: Lessons from a Crowdsourcing Experiment Dong Nguyen author Dolf Trieschnigg author A Seza Doğruöz author Rilana Gravel author Mariët Theune author Theo Meder author Franciska de Jong 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 nguyen-etal-2014-gender https://aclanthology.org/C14-1184/ 2014-08 1950 1961