activity
20242026
collaborators

6 papers

cs.CV2026

Reinforcement Learning with Robust Rubric Rewards

Ya-Qi Yu, Hao Wang, Fangyu Hong +15

While Reinforcement Learning with Verifiable Rewards (RLVR) is effective for deterministically checkable tasks, many vision-language tasks are partially verifiable, demanding multi…

cs.CV2026

Visual Preference Optimization with Rubric Rewards

Ya-Qi Yu, Fangyu Hong, Xiangyang Qu +15

The effectiveness of Direct Preference Optimization (DPO) depends on preference data that reflect the quality differences that matter in multimodal tasks. Existing pipelines often…

cs.IR2026

IF-GEO: Conflict-Aware Instruction Fusion for Multi-Query Generative Engine Optimization

Heyang Zhou, JiaJia Chen, Xiaolu Chen +3

As Generative Engines revolutionize information retrieval by synthesizing direct answers from retrieved sources, ensuring source visibility becomes a significant challenge. Improvi…

cs.IR2025

Caption Injection for Optimization in Generative Search Engine

Xiaolu Chen, Jie Bao, Haojie Wu +2

Generative Search Engine (GSE) leverages the Retrieval-Augmented Generation (RAG) technique and the Large Language Model (LLM) to integrate multi-source information and provide use…

cs.IR2025

Role-Augmented Intent-Driven Generative Search Engine Optimization

Xiaolu Chen, Haojie Wu, Jie Bao +4

Generative search engines (GSEs), which combine large language models (LLMs) with retrieval-augmented generation (RAG), are reshaping how users access Web information and making so…

cs.LG2024

CuDA2: An approach for Incorporating Traitor Agents into Cooperative Multi-Agent Systems

Zhen Chen, Yong Liao, Youpeng Zhao +2

Cooperative Multi-Agent Reinforcement Learning (CMARL) strategies are well known to be vulnerable to adversarial perturbations. Previous works on adversarial attacks have primarily…