Shannon Waller

From Embeddings to Explanations: Reviewing Semantic Modeling in LLM-Centered Interactive Systems

2025

This review examines semantic modeling in large language model (LLM)centered interactive systems, focusing on embeddings, knowledge integration, and explanation generation. We summarize how LLMs produce contextual embeddings for semantic understanding, including applications in dense retrieval …

Machine Learning Applications for Fraud Detection and Financial Sentiment

2025

This review examines machine learning applications in two major financial tasks: fraud detection and financial sentiment analysis. For fraud detection, research demonstrates that ensemble models, particularly gradient boosting methods such as CatBoost, XGBoost, and LightGBM, …