Related papers: Appraisal Theories for Emotion Classification in Text

Appraisal Theories for Emotion Classification in Text

URL: http://arxiv.org/abs/2003.14155v6
Date: Tue, 3 Nov 2020 16:04:46 GMT
Title: Appraisal Theories for Emotion Classification in Text
Authors: Jan Hofmann, Enrica Troiano, Kai Sassenberg, and Roman Klinger
Abstract summary: We show that automatic classification approaches need to learn properties of events as latent variables. We propose to make such interpretations explicit, following theories of cognitive appraisal of events. Our results show that high quality appraisal dimension assignments in event descriptions lead to an improvement in the classification of discrete emotion categories.
Score: 13.743991035051714
License: http://creativecommons.org/licenses/by-sa/4.0/
Abstract: Automatic emotion categorization has been predominantly formulated as text classification in which textual units are assigned to an emotion from a predefined inventory, for instance following the fundamental emotion classes proposed by Paul Ekman (fear, joy, anger, disgust, sadness, surprise) or Robert Plutchik (adding trust, anticipation). This approach ignores existing psychological theories to some degree, which provide explanations regarding the perception of events. For instance, the description that somebody discovers a snake is associated with fear, based on the appraisal as being an unpleasant and non-controllable situation. This emotion reconstruction is even possible without having access to explicit reports of a subjective feeling (for instance expressing this with the words "I am afraid."). Automatic classification approaches therefore need to learn properties of events as latent variables (for instance that the uncertainty and the mental or physical effort associated with the encounter of a snake leads to fear). With this paper, we propose to make such interpretations of events explicit, following theories of cognitive appraisal of events, and show their potential for emotion classification when being encoded in classification models. Our results show that high quality appraisal dimension assignments in event descriptions lead to an improvement in the classification of discrete emotion categories. We make our corpus of appraisal-annotated emotion-associated event descriptions publicly available.

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