Bootstrapping LLM-based Task-Oriented Dialogue Agents via Self-Talk

Dennis Thomas Ulmer, Elman Mansimov, Kaixiang Lin, Justin Sun, Xibin Gao, Yi Zhang

Publikation: Konference artikel i Proceeding eller bog/rapport kapitelKonferencebidrag i proceedingsForskningpeer review

Abstract

Large language models (LLMs) are powerful dialogue agents, but specializing them towards fulfilling a specific function can be challenging. Instructing tuning, i.e. tuning models on instruction and sample responses generated by humans (Ouyang et al., 2022), has proven as an effective method to do so, yet requires a number of data samples that a) might not be available or b) costly to generate. Furthermore, this cost increases when the goal is to make the LLM follow a specific workflow within a dialogue instead of single instructions. Inspired by the self-play technique in reinforcement learning and the use of LLMs to simulate human agents, we propose a more effective method for data collection through LLMs engaging in a conversation in various roles. This approach generates a training data via "self-talk" of LLMs that can be refined and utilized for supervised fine-tuning. We introduce an automated way to measure the (partial) success of a dialogue. This metric is used to filter the generated conversational data that is fed back in LLM for training. Based on our automated and human evaluations of conversation quality, we demonstrate that such self-talk data improves results. In addition, we examine the various characteristics that showcase the quality of generated dialogues and how they can be connected to their potential utility as training data.
OriginalsprogEngelsk
TitelFindings of the Association for Computational Linguistics ACL 2024
RedaktørerLun-Wei Ku, Andre Martins, Vivek Srikumar
Vol/bindFindings of the Association for Computational Linguistics ACL 2024
UdgivelsesstedBangkok
ForlagAssociation for Computational Linguistics
Publikationsdatoaug. 2024
Sider9500–9522
DOI
StatusUdgivet - aug. 2024

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