collaborators

7 papers

cs.LG2026

Transferable Delay-Aware Reinforcement Learning via Implicit Causal Graph Modeling

Chenran Zhao, Dianxi Shi, Yaowen Zhang +2

Random delays weaken the temporal correspondence between actions and subsequent state feedback, making it difficult for agents to identify the true propagation process of action ef…

cs.LG2026

Delay-Empowered Causal Hierarchical Reinforcement Learning

Chenran Zhao, Dianxi Shi, Haotian Wang +4

Many real-world tasks involve delayed effects, where the outcomes of actions emerge after varying time lags. Existing delay-aware reinforcement learning methods often rely on state…

cs.IR2025

Retrieval Feedback Memory Enhancement Large Model Retrieval Generation Method

Leqian Li, Dianxi Shi, Jialu Zhou +4

Large Language Models (LLMs) have shown remarkable capabilities across diverse tasks, yet they face inherent limitations such as constrained parametric knowledge and high retrainin…

cs.CV2025

CEIDM: A Controlled Entity and Interaction Diffusion Model for Enhanced Text-to-Image Generation

Mingyue Yang, Dianxi Shi, Jialu Zhou +4

In Text-to-Image (T2I) generation, the complexity of entities and their intricate interactions pose a significant challenge for T2I method based on diffusion model: how to effectiv…

cs.LG2025

Separation and Collaboration: Two-Level Routing Grouped Mixture-of-Experts for Multi-Domain Continual Learning

Jialu Zhou, Dianxi Shi, Shaowu Yang +5

Multi-Domain Continual Learning (MDCL) acquires knowledge from sequential tasks with shifting class sets and distribution. Despite the Parameter-Efficient Fine-Tuning (PEFT) method…

cs.LG2025

D3HRL: A Distributed Hierarchical Reinforcement Learning Approach Based on Causal Discovery and Spurious Correlation Detection

Chenran Zhao, Dianxi Shi, Mengzhu Wang +5

Current Hierarchical Reinforcement Learning (HRL) algorithms excel in long-horizon sequential decision-making tasks but still face two challenges: delay effects and spurious correl…