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Wenhao Zhao

3 accepted papers

2025

Unveiling Markov heads in Pretrained Language Models for Offline Reinforcement Learning

ICML 2025poster

Recently, incorporating knowledge from pretrained language models (PLMs) into decision transformers (DTs) has generated significant attention in offline reinforcement learning (RL). These PLMs perform well in RL tasks, raising an intriguing question: what kind of knowledge from PLMs has been transfe…

Cited by 0SourcePDFScholar
2024

Generate Synthetic Text Approximating the Private Distribution with Differential Privacy

IJCAI 2024poster

Due to the potential leakage of sensitive information in text, there is a societal call for feeding privacy-preserving text to model training. Recently, a lot of work showed that using synthetic text with differential privacy, rather than private text, can provide a strong privacy protection. Howeve…

Cited by 1SourcePDFScholar
2024

Locally Differentially Private In-Context Learning

COLING 2024main

Large pretrained language models (LLMs) have shown surprising In-Context Learning (ICL) ability. An important application in deploying large language models is to augment LLMs with a private database for some specific task.The main problem with this promising commercial use is that LLMs have been sh…

Cited by 3SourcePDFScholar