Abstract
Social robots and agents can interact with people better if they can infer their affective state (emotions). While they cannot yet recognise affective state from tone and body language, they can use the fragments of speech that they (over)hear. We show that emotions – as conventionally framed – are difficult to detect. We suggest, from empirical results, that this is because emotions are the wrong granularity; and that emotions contain subemotions that are much more clearly separated from one another, and so are both easier to detect and to exploit.
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Notes
- 1.
Trust is included in many lists of basic emotions, including the NRC lexicon. However, this does not seem natural: ‘I feel trust’ seems to be more of an attitudinal statement than an affective one, especially as it must have an object. Compare this to ‘I feel angry’.
- 2.
Each document-word matrix is different, but, for anger, the amount of variation captured by truncating at \(k=3\) is 55%.
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Skillicorn, D., Alsadhan, N., Billingsley, R., Williams, MA. (2019). Measuring Human Emotion in Short Documents to Improve Social Robot and Agent Interactions. In: Meurs, MJ., Rudzicz, F. (eds) Advances in Artificial Intelligence. Canadian AI 2019. Lecture Notes in Computer Science(), vol 11489. Springer, Cham. https://doi.org/10.1007/978-3-030-18305-9_3
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DOI: https://doi.org/10.1007/978-3-030-18305-9_3
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