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Emotion Reasoning Based on Valency Patterns — a prototype annotation of causal relationships —

This paper proposes a valency-pattern-based method of emotion reasoning. To determine whether or not a sentence indicates an emotional situation, an attempt is made to annotate causal relationships for emotions to 14,819 valency patterns defined in the dictionary, ‘Nihon-go Goi Taikei’, which covers almost all Japanese verb senses. As a result, relationships for emotions were annotated to 5,606 patterns. The method was tested experimentally using a diary text, and was shown to have an accuracy of 63%. These results indicate that using valency patterns to determine causal relationships for emotions is a suitable method for emotion reasoning from text.