Natural Language Processing · AI

Lung-Hao Lee 李龍豪

Associate Professor · Institute of Artificial Intelligence Innovation

National Yang Ming Chiao Tung University, Hsinchu, Taiwan

My research focuses on natural language processing and large language models, with particular interests in medical language understanding, dimensional sentiment analysis, information retrieval, and information extraction.

Natural Language ProcessingLarge Language ModelsMedical NLPSentiment & EmotionInformation RetrievalInformation ExtractionChinese Language Processing

Research

Research Areas

Explore research

NLP & Large Language Models

Language understanding, representation learning, multilingual NLP, and LLM adaptation.

Medical Language Understanding

Healthcare NLP, medical question answering, clinical text mining, and mental-health applications.

Sentiment & Emotion

Dimensional sentiment analysis, valence–arousal modeling, aspect-based sentiment, and emotion understanding.

Information Retrieval

Dense retrieval, neural reranking, semantic similarity, and retrieval-augmented language technologies.

Updates

Recent News

ACL 2026

“DimABSA: Building Multilingual and Multidomain Datasets for Dimensional Aspect-Based Sentiment Analysis” appeared at ACL 2026.

ROCLING 2026

Serving as Program Chair of ROCLING-2026.

SemEval 2026

Co-organizing Task 3 on Dimensional Aspect-Based Sentiment Analysis (DimABSA).

Shared Task Result

Second place in SemEval-2026 Task 9 on multilingual, multicultural, and multievent online polarization.

Representative Work

Selected Publications

View all publications
2026
ACL 2026

DimABSA: Building Multilingual and Multidomain Datasets for Dimensional Aspect-Based Sentiment Analysis

Lung-Hao Lee, Liang-Chih Yu, Natalia V Loukachevitch, Ilseyar Alimova, Alexander Panchenko, Tzu-Mi Lin, Zhe-Yu Xu, Jian-Yu Zhou, Guangmin Zheng, Jin Wang, Sharanya Awasthi, Jonas Becker, Jan Philip Wahle, Terry Ruas, Shamsuddeen Hassan Muhammad, Saif M. Mohammad

Proceedings of ACL 2026.

2022
ACM TALLIP

Chinese EmoBank: Building Valence-Arousal Resources for Dimensional Sentiment Analysis

Lung-Hao Lee, Jian-Hong Li, and Liang-Chih Yu

ACM Transactions on Asian and Low-Resource Language Information Processing, 21(4), Article 65.

2021
IEEE JBHI

Multiple Embeddings Enhanced Multi-Graph Neural Networks for Chinese Healthcare Named Entity Recognition

Lung-Hao Lee and Yi Lu

IEEE Journal of Biomedical and Health Informatics, 25(7), 2801–2810.

Join the Lab

Prospective Students

Motivated students interested in natural language processing, large language models, medical NLP, sentiment analysis, or information retrieval are welcome to get in touch. Please include your CV and a short statement of research interests.