Publications

International Journals

• Single-cell RNA Sequencing Data Imputation Using Bi-level Feature Propagation
  Junseok Lee^†, Seokwon Yun^†, Yeongmin Kim, Tianlong Chen, Manolis Kellis, Chanyoung Park
  Briefings in Bioinformatics (2024)

• Deep Single-cell RNA-seq data Clustering with Graph Prototypical Contrastive Learning
  Junseok Lee, Sungwon Kim, Dongmin Hyun, Namkyeong Lee, Yejin Kim, Chanyoung Park
  Bioinformatics (2023)

• Self-Supervised Graph Representation Learning via Positive Mining
  Namkyeong Lee, Junseok Lee, Chanyoung Park
  Information Sciences (2022)

International Conference

• Oldie but Goodie: Re-illuminating Label Propagation on Graphs with Partially Observed Features
  Sukwon Yun, Xin Liu, Yunhak Oh, Junseok Lee, Tianlong Chen, Tsuyoshi Murata, Chanyoung Park
  ACM SIGKDD Conference on Knowledge Discovery and Data Mining {KDD 2025}

• Global Context-aware Representation Learning for Spatially Resolved Transcriptomics
  Yunhak Oh^†, Junseok Lee^†, Yeongmin Kim, Sangwoo Seo, Namkyeong Lee, Chanyoung Park
  International Conference on Machine Learning (\textbf{ICML 2025})

• Subgraph Federated Learning for Local Generalization
  Sungwon Kim, Yoonho Lee, Yunhak Oh, Namkyeong Lee, Sukwon Yun, Junseok Lee, Sein Kim, Carl Yang, Chanyoung Park International Conference on Learning Representations (ICLR 2025 Oral Presentation)

• Single-cell RNA-seq data imputation using Feature Propagation
  Seokwon Yun^†, Junseok Lee^†, Chanyoung Park
  ICML Workshop on Computational Biology (WCB 2023) (Best Paper, Contributed Talk)

• Deep Single-cell RNA-seq data Clustering with Graph Prototypical Contrastive Learning
  Junseok Lee, Sungwon Kim, Dongmin Hyun, Namkyeong Lee, Yejin Kim, Chanyoung Park
  ICML Workshop on Computational Biology (WCB 2023)

• Task-Equivariant Graph Few-shot Learning
  Sungwon Kim, Junseok Lee, Namkyeong Lee, Wonjoong Kim, Seungyoon Choi, Chanyoung Park
  ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2023)

• Conditional Graph Information Bottleneck for Molecular Relational Learning
  Namkyeong Lee, Dongmin Hyun, Gyoung S. Na, Sungwon Kim, Junseok Lee, Chanyoung Park
  International Conference on Machine Learning (ICML 2023)

• Heterogeneous Graph Learning for Multi-modal Medical Data Analysis
  Sein Kim, Namkyeong Lee, Junseok Lee, Dongmin Hyun, Chanyoung Park
  AAAI Conference on Artificial Intelligence (AAAI 2023 Oral Presentation)

• Relational Self-Supervised Learning on Graphs
  Namkyeong Lee, Dongmin Hyun, Junseok Lee, Chanyoung Park ACM International Conference on Information and Knowledge Management (CIKM 2022)

• GraFN: Semi-Supervised Node Classification on Graph with Few Labels via Non-Parametric Distribution Assignment
  Junseok Lee, Yunhak Oh, Yeonjun In, Namkyeong Lee, Dongmin Hyun, Chanyoung Park
  ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2022 Short Paper)

• Augmentation-Free Self-Supervised Learning on Graphs
  Namkyeong Lee, Junseok Lee, Chanyoung Park AAAI Conference on Artificial Intelligence (AAAI 2022)