Seong-Whan Lee

CPR: Mitigating Large Language Model Hallucinations with Curative Prompt Refinement

2024

Recent advancements in large language models (LLMs) highlight their fluency in generating responses to diverse prompts. However, these models sometimes generate plausible yet incorrect “hallucinated” facts, undermining trust. A frequent but often overlooked cause of …

EmoSphere-SER: Enhancing Speech Emotion Recognition Through Spherical Representation with Auxiliary Classification

2025 · arXiv (Cornell University)

Speech emotion recognition predicts a speaker's emotional state from speech signals using discrete labels or continuous dimensions such as arousal, valence, and dominance (VAD). We propose EmoSphere-SER, a joint model that integrates spherical VAD region …