activity
20242026
most citedReinforcement Learning for LLM Post-Training: A Survey

9 citations · 14 across the 13 of their papers we have counts for

collaborators

13 papers

cs.MM2026

Hear, Invoke, and Understand: A Skill-Calling Multimodal Agent for Large Audio Language Models

Yuwen Wang, Tian-Hao Zhang, Minghao Cai +7

Complex acoustic problems may require models to perform acoustic operations, interact with external tools and reason over the resulting textual or processed-audio observations rath…

cs.RO2026

Labimus: A Simulation and Benchmark for Humanoid Dexterous Manipulation in Chemical Laboratory

Yuhan Wu, Zhao Jin, Tao Li +9

Laboratory automation has made remarkable progress through robotic platforms and AI-driven scientific reasoning. However, many laboratory operations (e.g., solid--solid transfer) r…

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.LG2025

GIFT: Group-Relative Implicit Fine-Tuning Integrates GRPO with DPO and UNA

Zhichao Wang

This paper investigates whether reward matching is a viable alternative to reward maximization methods for on-policy RL of LLMs. Group-relative Implicit Fine-Tuning (GIFT) is propo…

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…

cs.CL2024

UFT: Unifying Fine-Tuning of SFT and RLHF/DPO/UNA through a Generalized Implicit Reward Function

Zhichao Wang, Bin Bi, Zixu Zhu +6

By pretraining on trillions of tokens, an LLM gains the capability of text generation. However, to enhance its utility and reduce potential harm, SFT and alignment are applied sequ…

cs.LG2024★ 1 cited

UNA: A Unified Supervised Framework for Efficient LLM Alignment Across Feedback Types

Zhichao Wang, Bin Bi, Can Huang +7

RL alignment methods, including RLHF and DPO, are primarily based on pairwise preference data. Although scalar or score-based feedback has been collected in some settings, it is ra…

cs.CL2024★ 9 cited

Reinforcement Learning for LLM Post-Training: A Survey

Zhichao Wang, Kiran Ramnath, Bin Bi +9

Large language models (LLMs) trained via pretraining and supervised fine-tuning (SFT) can still produce harmful and misaligned outputs, or struggle in domains like math and coding.…

cs.CL2024★ 4 cited

PAFT: A Parallel Training Paradigm for Effective LLM Fine-Tuning

Shiva Kumar Pentyala, Zhichao Wang, Bin Bi +6

Large language models (LLMs) have shown remarkable abilities in diverse natural language processing (NLP) tasks. The LLMs generally undergo supervised fine-tuning (SFT) followed by…