Zijian Zhao

Detection of Complex Abnormal Ship Behavior Based on Event Stream

2020

In recent years, maritime traffic has increased dramatically. Some ships exhibit abnormal behavior, which may indicate different dangers or threats. The speed and position parameters are often used to detect abnormal ship behavior. However, such …

Confident RAG: Enhancing the Performance of LLMs for Mathematics Question Answering through Multi-Embedding and Confidence Scoring

2025 · arXiv (Cornell University)

Large Language Models (LLMs) hold significant promise for mathematics education, yet they often struggle with complex mathematical reasoning. While Retrieval-Augmented Generation (RAG) mitigates these issues by grounding LLMs in external knowledge, its effectiveness remains unstable, …