The Grievance Dictionary: Understanding Threatening Language Use

• URL: http://arxiv.org/abs/2009.04798v1
• Date: Thu, 10 Sep 2020 12:06:48 GMT
• Title: The Grievance Dictionary: Understanding Threatening Language Use
• Authors: Isabelle van der Vegt, Maximilian Mozes, Bennett Kleinberg, Paul Gill
• Abstract summary: The Grievance Dictionary can be used to automatically understand language use in the context of grievance-fuelled violence threat assessment. The dictionary was validated by applying it to texts written by violent and non-violent individuals.
• Score: 0.8373151777137792
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: This paper introduces the Grievance Dictionary, a psycholinguistic dictionary which can be used to automatically understand language use in the context of grievance-fuelled violence threat assessment. We describe the development the dictionary, which was informed by suggestions from experienced threat assessment practitioners. These suggestions and subsequent human and computational word list generation resulted in a dictionary of 20,502 words annotated by 2,318 participants. The dictionary was validated by applying it to texts written by violent and non-violent individuals, showing strong evidence for a difference between populations in several dictionary categories. Further classification tasks showed promising performance, but future improvements are still needed. Finally, we provide instructions and suggestions for the use of the Grievance Dictionary by security professionals and (violence) researchers.

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