الباحثون

Chenhao Zhang

المنشورات 2

نسخة أولية وصول مفتوح

DaCe-DT: Data-Centric Offline Multi-Task Reinforcement Learning via Adaptive Prompts and Trajectory Correction for Heterogeneous Tasks

Xinfei Wang, Shanchen Pang, Chenhao Zhang وآخرون · 2026

Offline multi-task reinforcement learning (Offline MTRL) heavily depends on the quality and distribution of pre-collected data. However, existing methods mainly focus on algorithmic optimization, with less emphasis on data-level improvements to enhance learning ability and generalization performance. This paper, from a …

نسخة أولية وصول مفتوح

Aligning Multimodal Patient Evidence with Biomedical Knowledge Graphs for Clinical LLMs

Jiawen Du, Arshan Ali Khan, Chenhao Zhang وآخرون · 2026

Clinical questions often depend on linking a patient's multimodal evidence to external biomedical knowledge, yet existing predictive systems rarely represent such links explicitly, so they can neither be traced to their evidence sources nor removed to measure their contributions. We present MM-KG (Multimodal Knowledge …

المؤلفون المشاركون