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End-to-End Neural Pipeline for Goal-Oriented Dialogue Systems using GPT-2

Open access
Ham, Donghoon, Lee, Jeong-Gwan, Jang, Youngsoo, Kim, Kee-Eung·2020·Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics

Abstract

The goal-oriented dialogue system needs to be optimized for tracking the dialogue flow and carrying out an effective conversation under various situations to meet the user goal.The traditional approach to building such a dialogue system is to take a pipelined modular architecture, where its modules are optimized individually.However, such an optimization scheme does not necessarily yield an overall performance improvement of the whole system.On the other hand, end-to-end dialogue systems with monolithic neural architecture are often trained only with input-output utterances, without taking into account the entire annotations available in the corpus.This scheme makes it difficult for goal-oriented dialogues where the system needs to be integrated with external systems or to provide interpretable information about why the system generated a particular response.In this paper, we present an end-to-end neural architecture for dialogue systems that addresses both challenges above.Our dialogue system achieved the success rate of 68.32%, the language understanding score of 4.149, and the response appropriateness score of 4.287 in human evaluations, which ranked the system at the top position in the end-to-end multi-domain dialogue system task in the 8th dialogue systems technology challenge (DSTC8).

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Metadata

Authors
Ham, D., Lee, J.-G., Jang, Y., & Kim, K.-E.
Venue
Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics
Published
2020
Pages
583-592
OpenAlex
W3034533785
Cited by
161
References
4
FWCI
13.81
Type
conference paper
Language
en
Open access
hybrid

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Ham, D., Lee, J.-G., Jang, Y., & Kim, K.-E. (2020). End-to-End Neural Pipeline for Goal-Oriented Dialogue Systems using GPT-2. Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics. https://doi.org/10.18653/v1/2020.acl-main.54

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