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Gaining Insights into Unrecognized User Utterances in Task-Oriented Dialog Systems

Ella Rabinovich, Matan Vetzler, David Boaz, Vineet Kumar, Gaurav Pandey, Ateret Anaby Tavor


Abstract
The rapidly growing market demand for automatic dialogue agents capable of goal-oriented behavior has caused many tech-industry leaders to invest considerable efforts into task-oriented dialog systems. The success of these systems is highly dependent on the accuracy of their intent identification – the process of deducing the goal or meaning of the user’s request and mapping it to one of the known intents for further processing. Gaining insights into unrecognized utterances – user requests the systems fails to attribute to a known intent – is therefore a key process in continuous improvement of goal-oriented dialog systems. We present an end-to-end pipeline for processing unrecognized user utterances, deployed in a real-world, commercial task-oriented dialog system, including a specifically-tailored clustering algorithm, a novel approach to cluster representative extraction, and cluster naming. We evaluated the proposed components, demonstrating their benefits in the analysis of unrecognized user requests.
Anthology ID:
2022.emnlp-industry.22
Volume:
Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing: Industry Track
Month:
December
Year:
2022
Address:
Abu Dhabi, UAE
Editors:
Yunyao Li, Angeliki Lazaridou
Venue:
EMNLP
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
218–225
Language:
URL:
https://aclanthology.org/2022.emnlp-industry.22
DOI:
10.18653/v1/2022.emnlp-industry.22
Bibkey:
Cite (ACL):
Ella Rabinovich, Matan Vetzler, David Boaz, Vineet Kumar, Gaurav Pandey, and Ateret Anaby Tavor. 2022. Gaining Insights into Unrecognized User Utterances in Task-Oriented Dialog Systems. In Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing: Industry Track, pages 218–225, Abu Dhabi, UAE. Association for Computational Linguistics.
Cite (Informal):
Gaining Insights into Unrecognized User Utterances in Task-Oriented Dialog Systems (Rabinovich et al., EMNLP 2022)
Copy Citation:
PDF:
https://aclanthology.org/2022.emnlp-industry.22.pdf