collaborators

6 papers

cs.RO2025

ArtiBench and ArtiBrain: Benchmarking Generalizable Vision-Language Articulated Object Manipulation

Yuhan Wu, Tiantian Wei, Shuo Wang +4

Interactive articulated manipulation requires long-horizon, multi-step interactions with appliances while maintaining physical consistency. Existing vision-language and diffusion-b…

cs.CL2025

RLSR: Reinforcement Learning with Supervised Reward Outperforms SFT in Instruction Following

Zhichao Wang, Andy Wong, Ruslan Belkin

After the pretraining stage of LLMs, techniques such as SFT, RLHF, RLVR, and RFT are applied to enhance instruction-following ability, mitigate undesired responses, improve reasoni…

cs.CL2025

Review of Inference-Time Scaling Strategies: Reasoning, Search and RAG

Zhichao Wang, Cheng Wan, Dong Nie

The performance gains of LLMs have historically been driven by scaling up model size and training data. However, the rapidly diminishing availability of high-quality training data…

cs.CL2025

Diversity Enhances an LLM's Performance in RAG and Long-context Task

Zhichao Wang, Bin Bi, Yanqi Luo +2

The rapid advancements in large language models (LLMs) have highlighted the challenge of context window limitations, primarily due to the quadratic time complexity of the self-atte…

cs.LG2024

Optimal Exact Recovery in Semi-Supervised Learning: A Study of Spectral Methods and Graph Convolutional Networks

Hai-Xiao Wang, Zhichao Wang

We delve into the challenge of semi-supervised node classification on the Contextual Stochastic Block Model (CSBM) dataset. Here, nodes from the two-cluster Stochastic Block Model…

cs.CL2024

Rate, Explain and Cite (REC): Enhanced Explanation and Attribution in Automatic Evaluation by Large Language Models

Aliyah R. Hsu, James Zhu, Zhichao Wang +11

LLMs have demonstrated impressive proficiency in generating coherent and high-quality text, making them valuable across a range of text-generation tasks. However, rigorous evaluati…