Siyi Liu

Using LLM for Improving Key Event Discovery: Temporal-Guided News Stream Clustering with Event Summaries

2023

Understanding and characterizing the discus- sions around key events in news streams is important for analyzing political discourse. In this work, we study the problem of identification of such key events and the news articles …

Research on Personalized Recommendation Algorithm of Educational Resources Based on Deep Neural Network

2024

Personalized learning is a trend in the development of higher education. We use artificial intelligence technology to realize recommendation of educational resources which becomes issue in higher education. By studying the algorithm and content and …

Intelligent Recommendation System for Academic Competitions Based on Multi-Head Attention and Bidirectional LSTM

2025

To address the issues of inaccurate user interest understanding and insufficient recommendation precision in academic competition recommendation systems, this paper proposes an intelligent recommendation system model based on multi-head attention mechanism and Bidirectional Long ShortTerm …

Towards Long Context Hallucination Detection

2025 · arXiv (Cornell University)

Large Language Models (LLMs) have demonstrated remarkable performance across various tasks. However, they are prone to contextual hallucination, generating information that is either unsubstantiated or contradictory to the given context. Although many studies have investigated …