collaborators

6 papers

cs.IR2026

ChartWalker: Benchmarking the Cross-Chart RAG Task with Hierarchical Knowledge Graphs

Ning Tang, Chenghan Xie, Hanyang Yuan +6

Cross-Chart Retrieval-Augmented Generation (RAG) is critical for complex multi-modal analytical tasks in scientific, business, and political domains. However, existing benchmarks e…

cs.SE2026

RAT: RunAnyThing via Fully Automated Environment Configuration

Renhong Huang, Dongdong Hua, Yifei Sun +4

Automating repository-level software engineering tasks is a foundational challenge for autonomous code agents, largely due to the difficulty of configuring executable environments.…

cs.AI2026

PTCG-Bench: Can LLM Agents Master Pokémon Trading Card Game?

Dongdong Hua, Yifei Sun, Renhong Huang +3

Given a strategically complex board game, human players can quickly learn to devise strategies after playing a few rounds. Autonomous agents require similar capabilities in realist…

cs.SI2026

PolicySim: An LLM-Based Agent Social Simulation Sandbox for Proactive Policy Optimization

Renhong Huang, Ning Tang, Jiarong Xu +6

Social platforms serve as central hubs for information exchange, where user behaviors and platform interventions jointly shape opinions. However, intervention policies like recomme…

cs.AI2026

RAPO: Expanding Exploration for LLM Agents via Retrieval-Augmented Policy Optimization

Siwei Zhang, Yun Xiong, Xi Chen +4

Agentic Reinforcement Learning (Agentic RL) has shown remarkable potential in large language model-based (LLM) agents. These works can empower LLM agents to tackle complex tasks vi…

cs.IR2025

Tree of Preferences for Diversified Recommendation

Hanyang Yuan, Ning Tang, Tongya Zheng +7

Diversified recommendation has attracted increasing attention from both researchers and practitioners, which can effectively address the homogeneity of recommended items. Existing…