Exploring Dialog Act Recognition in Open Domain Conversational Agents

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Big Data Analytics and Knowledge Discovery (DaWaK 2023)

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Abstract

Recognizing dialog acts of users is an essential component in building successful conversational agents. In this work, we propose a dialog act (DA) classifier for two of our open domain dialog systems. For this, we first build a hierarchical taxonomy of 8 DAs suitable for classifying user utterances in open-domain setting. Next, we curate a high-quality, multi-domain dataset with over 24k user dialogs and annotate it with our 8 DAs. Next, we fine-tune our pretrained BERT-based DA classifier on this dataset. Through extensive experimentation, we show that our proposed model not only outperforms the baseline SVM classifier by achieving state-of-the-art accuracy but also generalizes extremely well on previously unseen data.

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Correspondence to Maliha Sultana .

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Sultana, M., Zaíane, O.R. (2023). Exploring Dialog Act Recognition in Open Domain Conversational Agents. In: Wrembel, R., Gamper, J., Kotsis, G., Tjoa, A.M., Khalil, I. (eds) Big Data Analytics and Knowledge Discovery. DaWaK 2023. Lecture Notes in Computer Science, vol 14148. Springer, Cham. https://doi.org/10.1007/978-3-031-39831-5_22

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  • DOI: https://doi.org/10.1007/978-3-031-39831-5_22

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