collaborators

17 papers

cs.CL2026

Keep It InMind: Benchmarking the Implicit-Association Blind Spot in Agent Memory

Ruizhe Li, Mingxuan Du, Benfeng Xu +1

Long-term memory systems store what a user says in an external store and retrieve it when a related query arrives. This interface rests on an assumption so natural that it is rarel…

cs.SE2026

Asuka-Bench: Benchmarking Code Agents on Underspecified User Intent and Multi-Round Refinement

Xin Wang, Liangtai Sun, Yaoming Zhu +8

Existing code-generation benchmarks score a single mapping from a complete prompt to a one-shot output. However, real web development is different. Users seldom write a full spec a…

cs.CL2026

FS-Researcher: Test-Time Scaling for Long-Horizon Research Tasks with File-System-Based Agents

Chiwei Zhu, Benfeng Xu, Mingxuan Du +4

Deep research is emerging as a representative long-horizon task for large language model (LLM) agents. However, long trajectories in deep research often exceed model context limits…

cs.AI2026

CDRRM: Contrast-Driven Rubric Generation for Reliable and Interpretable Reward Modeling

Dengcan Liu, Fengkai Yang, Xiaohan Wang +7

Reward modeling is essential for aligning Large Language Models(LLMs) with human preferences, yet conventional reward models suffer from poor interpretability and heavy reliance on…

cs.CL2026

A-RAG: Scaling Agentic Retrieval-Augmented Generation via Hierarchical Retrieval Interfaces

Mingxuan Du, Benfeng Xu, Chiwei Zhu +4

Frontier language models have demonstrated strong reasoning and long-horizon tool-use capabilities. However, existing RAG systems fail to leverage these capabilities. They still re…

cs.CL2026

WildGraphBench: Benchmarking GraphRAG with Wild-Source Corpora

Pengyu Wang, Benfeng Xu, Licheng Zhang +4

Graph-based Retrieval-Augmented Generation (GraphRAG) organizes external knowledge as a hierarchical graph, enabling efficient retrieval and aggregation of scattered evidence acros…