Yoonhyuk Choi

According to our database, Yoonhyuk Choi authored at least 22 papers between 2021 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2025

Beyond Message-Passing: Generalization of Graph Neural Networks via Feature Perturbation for Semi-Supervised Node Classification.

Yoonhyuk Choi, Jiho Choi, Taewook Ko, Chong-Kwon Kim

IEEE Trans. Neural Networks Learn. Syst., June, 2025

SpecSphere: Dual-Pass Spectral-Spatial Graph Neural Networks with Certified Robustness.

Yoonhyuk Choi, Chong-Kwon Kim

CoRR, May, 2025

Hierarchical Uncertainty-Aware Graph Neural Network.

Yoonhyuk Choi, Chong-Kwon Kim

CoRR, April, 2025

Review-Based Hyperbolic Cross-Domain Recommendation.

Yoonhyuk Choi, Jiho Choi, Taewook Ko, Chong-Kwon Kim

Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, 2025

Mitigating Overfitting in Graph Neural Networks via Feature and Hyperplane Perturbation.

Yoonhyuk Choi, Jiho Choi, Taewook Ko, Chong-Kwon Kim

Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, 2025

Selective Blocking for Message-Passing Neural Networks on Heterophilic Graphs.

Yoonhyuk Choi, Taewook Ko, Jiho Choi, Chong-Kwon Kim

Proceedings of the Conference on Uncertainty in Artificial Intelligence, 2025

2024

Better Not to Propagate: Understanding Edge Uncertainty and Over-smoothing in Signed Graph Neural Networks.

Yoonhyuk Choi, Jiho Choi, Taewook Ko, Chong-Kwon Kim

CoRR, 2024

Review-Based Cross-Domain Recommendation via Hyperbolic Embedding and Hierarchy-Aware Domain Disentanglement.

Yoonhyuk Choi

CoRR, 2024

Precipitation Nowcasting with Graph Neural Network and Gated Recurrent Units.

Soobin Park, Yoonhyuk Choi, Chong-Kwon Kim

Proceedings of the International Conference on Information Networking, 2024

Introducing CausalBench: A Flexible Benchmark Framework for Causal Analysis and Machine Learning.

Ahmet Kapkiç, Pratanu Mandal, Shu Wan, Paras Sheth, Abhinav Gorantla, Yoonhyuk Choi, Huan Liu, K. Selçuk Candan

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, 2024

Prioritizing Potential Wetland Areas via Region-to-Region Knowledge Transfer and Adaptive Propagation.

Yoonhyuk Choi, Reepal Shah, John Sabo, Huan Liu, K. Selçuk Candan

Proceedings of the IEEE International Conference on Big Data, 2024

Improving the Text Convolution Mechanism with Large Language Model for Review-Based Recommendation.

Yoonhyuk Choi, Fahim Tasneema Azad

Proceedings of the IEEE International Conference on Big Data, 2024

2023

A spectral graph convolution for signed directed graphs via magnetic Laplacian.

Taewook Ko, Yoonhyuk Choi, Chong-Kwon Kim

Neural Networks, July, 2023

Finding Heterophilic Neighbors via Confidence-based Subgraph Matching for Semi-supervised Node Classification.

Yoonhyuk Choi, Jiho Choi, Taewook Ko, Chong-Kwon Kim

CoRR, 2023

Is Signed Message Essential for Graph Neural Networks?

Yoonhyuk Choi, Jiho Choi, Taewook Ko, Chong-Kwon Kim

CoRR, 2023

Signed Directed Graph Contrastive Learning with Laplacian Augmentation.

Taewook Ko, Yoonhyuk Choi, Chong-Kwon Kim

CoRR, 2023

Universal Graph Contrastive Learning with a Novel Laplacian Perturbation.

Taewook Ko, Yoonhyuk Choi, Chong-Kwon Kim

Proceedings of the Uncertainty in Artificial Intelligence, 2023

2022

Flip Initial Features: Generalization of Neural Networks for Semi-supervised Node Classification.

Yoonhyuk Choi, Jiho Choi, Taewook Ko, Chong-Kwon Kim

CoRR, 2022

DiVa: An Accelerator for Differentially Private Machine Learning.

Beomsik Park, Ranggi Hwang, Dongho Yoon, Yoonhyuk Choi, Minsoo Rhu

Proceedings of the 55th IEEE/ACM International Symposium on Microarchitecture, 2022

Review-Based Domain Disentanglement without Duplicate Users or Contexts for Cross-Domain Recommendation.

Yoonhyuk Choi, Jiho Choi, Taewook Ko, Hyungho Byun, Chong-Kwon Kim

Proceedings of the 31st ACM International Conference on Information & Knowledge Management, 2022

Finding Heterophilic Neighbors via Confidence-based Subgraph Matching for Semi-supervised Node Classification.

Yoonhyuk Choi, Jiho Choi, Taewook Ko, Hyungho Byun, Chong-Kwon Kim

Proceedings of the 31st ACM International Conference on Information & Knowledge Management, 2022

2021

DaRE: A Cross-Domain Recommender System with Domain-aware Feature Extraction and Review Encoder.

Yoonhyuk Choi, Jiho Choi, Taewook Ko, Chongkwon Kim

CoRR, 2021