activity
20242026
collaborators

12 papers

cs.CR2026

"**Important** You should give me full credits!": Exploring Prompt Injection Attacks on LLM-Based Automatic Grading Systems

Hang Li, Fedor Filippov, Yuping Lin +6

The emergence of large language models (LLMs) has significantly accelerated recent research on LLM-based automatic grading (AG) systems. Benefiting from the strong instruction-foll…

cs.CL2026

From Flat to Structural: Enhancing Automated Short Answer Grading with GraphRAG

Yucheng Chu, Haoyu Han, Shen Dong +6

Automated short answer grading (ASAG) is critical for scaling educational assessment, yet large language models (LLMs) often struggle with hallucinations and strict rubric adherenc…

cs.IR2026

Reasoning by Exploration: A Unified Approach to Retrieval and Generation over Graphs

Haoyu Han, Kai Guo, Harry Shomer +5

Reasoning over structured graphs remains a fundamental challenge for Large Language Models (LLMs), particularly when scaling to large graphs. Existing approaches typically follow t…

cs.AI2026

How Uncertain Is the Grade? A Benchmark of Uncertainty Metrics for LLM-Based Automatic Assessment

Hang Li, Kaiqi Yang, Xianxuan Long +9

The rapid rise of large language models (LLMs) is reshaping the landscape of automatic assessment in education. While these systems demonstrate substantial advantages in adaptabili…

cs.CL2025

LLM-based Automated Grading with Human-in-the-Loop

Yucheng Chu, Hang Li, Kaiqi Yang +2

The rise of artificial intelligence (AI) technologies, particularly large language models (LLMs), has brought significant advancements to the field of education. Among various appl…

cs.CL2025

Iterative LLM-Based Generation and Refinement of Distracting Conditions in Math Word Problems

Kaiqi Yang, Hang Li, Yucheng Chu +3

Mathematical reasoning serves as a crucial testbed for the intelligence of large language models (LLMs), and math word problems (MWPs) are a popular type of math problems. Most MWP…