13 citations · 21 across the 6 of their papers we have counts for
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cs.CL2022★ 1 cited
OPAL: Ontology-Aware Pretrained Language Model for End-to-End Task-Oriented Dialogue
Zhi Chen, Yuncong Liu, Lu Chen +3
This paper presents an ontology-aware pretrained language model (OPAL) for end-to-end task-oriented dialogue (TOD). Unlike chit-chat dialogue models, task-oriented dialogue models…
cs.CL2020★ 13 cited
Distributed Structured Actor-Critic Reinforcement Learning for Universal Dialogue Management
Zhi Chen, Lu Chen, Xiaoyuan Liu +1
The task-oriented spoken dialogue system (SDS) aims to assist a human user in accomplishing a specific task (e.g., hotel booking). The dialogue management is a core part of SDS. Th…
cs.CL2019★ 7 cited
AgentGraph: Towards Universal Dialogue Management with Structured Deep Reinforcement Learning
Lu Chen, Zhi Chen, Bowen Tan +3
Dialogue policy plays an important role in task-oriented spoken dialogue systems. It determines how to respond to users. The recently proposed deep reinforcement learning (DRL) app…