activity
20242026
most citedDiffStitch: Boosting Offline Reinforcement Learning with Diffusion-based Trajectory Stitching

1 citations · 1 across the 6 of their papers we have counts for

collaborators

6 papers

cs.AI2026

Capability-Aligned Hierarchical Learning for Tool-Augmented LLMs

Haotong Yang, Ting Long, Yi Chang

Tool learning enables LLMs to invoke external tools to accomplish tasks. Prior studies have demonstrated the effectiveness of a hierarchical structure: a high-level policy handles…

cs.LG2026

Target-Aligned Bellman Backup for Cross-domain Offline Reinforcement Learning

Wei Liu, Ting Long

Cross-domain offline reinforcement learning (CDRL) aims to improve policy learning in a target domain by leveraging data collected from a source domain. Existing works typically as…

cs.CL2026

Rethinking Retrieval-Augmented Generation as a Cooperative Decision-Making Problem

Lichang Song, Ting Long, Yi Chang

Retrieval-Augmented Generation (RAG) has demonstrated strong effectiveness in knowledge-intensive tasks by grounding language generation in external evidence. Despite its success,…

cs.AI2025

RAD: Retrieval High-quality Demonstrations to Enhance Decision-making

Lu Guo, Yixiang Shan, Zhengbang Zhu +5

Offline reinforcement learning (RL) learns policies from fixed datasets, thereby avoiding costly or unsafe environment interactions. However, its reliance on finite static datasets…

cs.LG2024★ 1 cited

DiffStitch: Boosting Offline Reinforcement Learning with Diffusion-based Trajectory Stitching

Guanghe Li, Yixiang Shan, Zhengbang Zhu +2

In offline reinforcement learning (RL), the performance of the learned policy highly depends on the quality of offline datasets. However, in many cases, the offline dataset contain…

cs.LG2024

Contrastive Diffuser: Planning Towards High Return States via Contrastive Learning

Yixiang Shan, Zhengbang Zhu, Ting Long +4

The performance of offline reinforcement learning (RL) is sensitive to the proportion of high-return trajectories in the offline dataset. However, in many simulation environments a…