collaborators

6 papers

cs.IR2025

DiffGRM: Diffusion-based Generative Recommendation Model

Zhao Liu, Yichen Zhu, Yiqing Yang +7

Generative recommendation (GR) is an emerging paradigm that represents each item via a tokenizer as an n-digit semantic ID (SID) and predicts the next item by autoregressively gene…

cs.LG2025

AdaSTI: Conditional Diffusion Models with Adaptive Dependency Modeling for Spatio-Temporal Imputation

Yubo Yang, Yichen Zhu, Bo Jiang

Spatio-temporal data abounds in domain like traffic and environmental monitoring. However, it often suffers from missing values due to sensor malfunctions, transmission failures, e…

cs.CL2025

"Pull or Not to Pull?'': Investigating Moral Biases in Leading Large Language Models Across Ethical Dilemmas

Junchen Ding, Penghao Jiang, Zihao Xu +4

As large language models (LLMs) increasingly mediate ethically sensitive decisions, understanding their moral reasoning processes becomes imperative. This study presents a comprehe…

cs.RO2025

AutoBio: A Simulation and Benchmark for Robotic Automation in Digital Biology Laboratory

Zhiqian Lan, Yuxuan Jiang, Ruiqi Wang +12

Vision-language-action (VLA) models have shown promise as generalist robotic policies by jointly leveraging visual, linguistic, and proprioceptive modalities to generate action tra…

cs.CV2025

FDDet: Frequency-Decoupling for Boundary Refinement in Temporal Action Detection

Xinnan Zhu, Yicheng Zhu, Tixin Chen +2

Temporal action detection aims to locate and classify actions in untrimmed videos. While recent works focus on designing powerful feature processors for pre-trained representations…

eess.IV2024

Tech Report: Divide and Conquer 3D Real-Time Reconstruction for Improved IGS

Yicheng Zhu

Tracking surgical modifications based on endoscopic videos is technically feasible and of great clinical advantages; however, it still remains challenging. This report presents a m…