Leveraging knowledge sources for detecting self-reports of particular health issues on social media Parsa Bagherzadeh author Sabine Bergler author 2021-04 text Proceedings of the 12th International Workshop on Health Text Mining and Information Analysis Eben Holderness editor Antonio Jimeno Yepes editor Alberto Lavelli editor Anne-Lyse Minard editor James Pustejovsky editor Fabio Rinaldi editor Association for Computational Linguistics online conference publication bagherzadeh-bergler-2021-leveraging https://aclanthology.org/2021.louhi-1.5/ 2021-04 38 48