Suicidal Tendencies: The Automatic Classification of Suicidal and Non-Suicidal Lyricists Using NLP Matthew Mulholland author Joanne Quinn author 2013-10 text Proceedings of the Sixth International Joint Conference on Natural Language Processing Ruslan Mitkov editor Jong C Park editor Asian Federation of Natural Language Processing Nagoya, Japan conference publication mulholland-quinn-2013-suicidal https://aclanthology.org/I13-1079/ 2013-10 680 684