Sangam Lee

I'm a Ph.D student at Yonsei University, advised by Professor Dongha Lee.

My mission is to help people in the real-world 1) access accurate information without distortion, 2) do so more easily, and 3) better understand and make use of that information.

To achieve this, I have been conducting research about information retrieval.

Email  /  CV  /  Google Scholar  /  Linkedin  /  Github

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Research

I'm interested in information retrieval and natural language processing. My research focuses on developing efficient retrieval systems and improving the quality of search results to help users find accurate information more effectively. I also explore the intersection of IR and NLP to enhance text understanding and information access.

Imagine All The Relevance: Scenario-Profiled Indexing with Knowledge Expansion for Dense Retrieval
Sangam Lee, Ryang Heo, SeongKu Kang, Dongha Lee
arXiv, 2025
Paper / Code

EpicPred: predicting phenotypes driven by epitope-binding TCRs using attention-based multiple instance learning
Jaemin Jeon, Suwan Yu, Sangam Lee, Sang Cheol Kim, Hye-Yeong Jo, Inuk Jung, Kwangsoo Kim
Bioinformatics, 2025
Paper / Code

Why These Documents? Explainable Generative Retrieval with Hierarchical Category Paths
Sangam Lee, Ryang Heo, SeongKu Kang, Susik Yoon, Jinyoung Yeo, Dongha Lee
arXiv, 2024
Paper / Code

Small language models are equation reasoners
Bumjun Kim, Kunha Lee, Juyeon Kim, Sangam Lee
arXiv, 2024
Paper / Code

Experience

Ph.D. Student
Data & Language Intelligence Lab, Yonsei University
2023-Present

Advisor: Prof. Dongha Lee

Research Intern
Biomedical Informatics Lab, Seoul National University Hospital
2023
Undergraduate Research Intern
Service Management Lab, Seoul National University of Science and Technology
2021

Education

Ph.D. Student in Artificial Intelligence
Yonsei University
2024-Present

Advisor: Professor Dongha Lee

B.S. in Business Administration/Computer Engineering
Seoul National University of Science and Technology
2017-2024

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