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A Mixture-of-Expert Approach to RL-based Dialogue Management. (arXiv:2206.00059v1 [cs.CL])
June 2, 2022, 1:11 a.m. | Yinlam Chow, Aza Tulepbergenov, Ofir Nachum, MoonKyung Ryu, Mohammad Ghavamzadeh, Craig Boutilier
cs.CL updates on arXiv.org arxiv.org
Despite recent advancements in language models (LMs), their application to
dialogue management (DM) problems and ability to carry on rich conversations
remain a challenge. We use reinforcement learning (RL) to develop a dialogue
agent that avoids being short-sighted (outputting generic utterances) and
maximizes overall user satisfaction. Most existing RL approaches to DM train
the agent at the word-level, and thus, have to deal with a combinatorially
complex action space even for a medium-size vocabulary. As a result, they
struggle to …
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