Search Results for author: Ryan Shea

Found 3 papers, 2 papers with code

Building Persona Consistent Dialogue Agents with Offline Reinforcement Learning

1 code implementation16 Oct 2023 Ryan Shea, Zhou Yu

Our automatic and human evaluations show that our framework improves both the persona consistency and dialogue quality of a state-of-the-art social chatbot.

Chatbot Offline RL +2

User Adaptive Language Learning Chatbots with a Curriculum

no code implementations11 Apr 2023 Kun Qian, Ryan Shea, Yu Li, Luke Kutszik Fryer, Zhou Yu

Along with the development of systems for natural language understanding and generation, dialog systems have been widely adopted for language learning and practicing.

Natural Language Understanding

Just Fine-tune Twice: Selective Differential Privacy for Large Language Models

1 code implementation15 Apr 2022 Weiyan Shi, Ryan Shea, Si Chen, Chiyuan Zhang, Ruoxi Jia, Zhou Yu

Utilizing the fact that sensitive information in language data tends to be sparse, Shi et al. (2021) formalized a DP notion extension called Selective Differential Privacy (SDP) to protect only the sensitive tokens defined by a policy function.

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