Weakly-Supervised Temporal Decomposition with Graph Neural Networks for Parkinsonian Turning Assessment
Jieming Zhang, Tai-Myoung Chung,
Hogun Park*
International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI), 2026.
Measuring Graph-to-graph Semantic Similarity in Knowledge Graphs: An Empirical Evaluation of Knowledge Graph Embeddings
Seungryeol Baek, Wooseok Sim,
Hogun Park*
ACM SIGKDD Workshop on Frontiers in Graph Machine Learning for the Large Model Era (GMLLM), 2026.
CondPSE: A Polynomial-filtered Structural Encoder with Conditional Modulation for Graphs
Woohyun Lee,
Hogun Park*
ACM SIGKDD Workshop on Frontiers in Graph Machine Learning for the Large Model Era (GMLLM), 2026.
Out-of-distribution Robust Explainer for Graph Neural Networks
Geonhee Han, Heesoo Jung, Hyunju Kang,
Hogun Park*
ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), 2026.
Edge-induced Subgraph Representation Learning
Seungryeol Baek,
Hogun Park*
ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), 2026.
A Kinematic-guided Dual-branch Framework for Parkinson's Disease Assessment in Sit-to-stand Tasks
Jieming Zhang, Tai-Myoung Chung,
Hogun Park*
Engineering Applications of Artificial Intelligence, Elsevier, 2026. (Accepted; Impact Factor: 8.0; JCR Rank: Top 2.5%)
M3KG-RAG: Multi-hop Multimodal Knowledge Graph-enhanced Retrieval-augmented Generation
Hyeongcheol Park, Jiyoung Seo, Jaewon Mun,
Hogun Park, Wonmin Byeon, Sung June Kim, Hyeonsoo Im, JeungSub Lee, Sangpil Kim
IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2026.
arXiv PDF Project Page
Group3D: MLLM-Driven Semantic Grouping for Open-Vocabulary 3D Object Detection
Youbin Kim, Jinho Park,
Hogun Park, Eunbyung Park
European Conference on Computer Vision (ECCV), 2026.
arXiv
Harnessing Spatial Dependency for Domain Generalization in Multivariate Time-series Sensor Data
Jaehyun Bae, Heesoo Jung,
Hogun Park*
Expert Systems with Applications, Elsevier, 2026. (Impact Factor: 7.5; JCR Rank: Top 6.1%)
PDF Code
Low-pass Personalized Subgraph Federated Recommendation
Wooseok Sim,
Hogun Park*
International Conference on Learning Representations (ICLR), 2026.
arXiv PDF Code
Judo: A Juxtaposed Domain-oriented Multimodal Reasoner for Industrial Anomaly QA
Hyunju Kang+, Woohyun Lee+, Jaewon Kim,
Hogun Park*
International Conference on Learning Representations (ICLR), 2026.
arXiv PDF Code
SToRM: Supervised Token Reduction for Multi-modal LLMs toward Efficient End-to-end Autonomous Driving
Seo Hyun Kim, Jinbok Park, Do Yeon Koo,
Hogun Park*, Il Yong Chun
*
IEEE International Conference on Robotics & Automation (ICRA), 2026.
arXiv
Conjunctive Query Embedding-based Few-shot Item Recommendation
Jeonghoon Kim, Dongwon Jung,
Hogun Park*
Neural Networks, Elsevier, 2026. (Impact Factor: 6.3; JCR Rank: Top 10.4%)
PDF Code
Federated Recommender System with Data Valuation for E-commerce Platform
Jongwon Park+, Minku Kang+, Wooseok Sim+, Soyoung Lee+,
Hogun Park*
Expert Systems with Applications, Elsevier, 2026. (Impact Factor: 7.5; JCR Rank: Top 6.1%)
arXiv PDF Code
Curriculum Guided Personalized Subgraph Federated Learning
Minku Kang,
Hogun Park*
ACM International Conference on Information and Knowledge Management (CIKM), 2025.
arXiv PDF Code
Complex Reasoning in Knowledge Graph Question Answering Through Query Graph Approximation
Hongjun Jeong+, Minji Kim+, Heesoo Jung, Ko Keun Kim
*,
Hogun Park*
Findings of the Association for Computational Linguistics: ACL, 2025.
PDF Code
Harnessing Influence Function in Explaining Graph Neural Networks
Heesoo Jung+, Chanyong Kim+, Geonhee Han,
Hogun Park*
ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), 2025.
PDF Code
AI-Integrated Optoelectronic Platform for Low-Latency Classification of Toxic Industrial Chemicals
Jang-Kyun Kwak, Jaeseong Kim, Riya Dutta, Min-Jae Kim, Minku Kang, Avis Wee Sin Hui, Yunjeong Yu, Jihoon Shin,
Hogun Park*, Donghwan Kim
*, Sunkook Kim
*
Small, Wiley, 2025. (Impact Factor: 12.1; JCR Rank: Top 7.2%)
PDF
Self-supervised Adversarial Purification for Graph Neural Networks
Woohyun Lee,
Hogun Park*
International Conference on Machine Learning (ICML), 2025.
arXiv PDF Code
Enhancing Inductive Numerical Reasoning in Knowledge Graphs with Relation-Aware Relative Numeric Encoding
Hongjun Jeong, Heesoo Jung, Gayeong Kim, Juann Kim, Ko Keun Kim,
Hogun Park*
Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD), 2025.
arXiv PDF Code
Large Language Models Are Better Logical Fallacy Reasoners with Counterargument, Explanation, and Goal-Aware Prompt Formulation
Jiwon Jeong, Hyeju Jang
*,
Hogun Park*
Findings of the Association for Computational Linguistics: NAACL, 2025.
arXiv PDF Code
Balancing Graph Embedding Smoothness in Self-Supervised Learning via Information-Theoretic Decomposition
Heesoo Jung,
Hogun Park*
ACM Web Conference (WWW), 2025.
arXiv PDF Code
AudioGenX: Explainability on Text-to-Audio Generative Models
Hyunju Kang+, Geonhee Han+, Yoonjae Jeong,
Hogun Park*
AAAI Conference on Artificial Intelligence (AAAI), 2025.
arXiv PDF Code
MAMS: Model-Agnostic Module Selection Framework for Video Captioning
Sangho Lee, Il Yong Chun
*,
Hogun Park*
AAAI Conference on Artificial Intelligence (AAAI), 2025.
arXiv PDF Code Selected for oral presentation (Top 6.1% paper)
MELA: Multi-Event Localization Answering Framework for Video Question Answering
Jimyeong Han, Sangpil Kim
*,
Hogun Park*
ACM Symposium on Applied Computing (SAC), 2025.
PDF
CIMAGE: Exploiting the Conditional Independence in Masked Graph Auto-encoders
Jongwon Park+, Heesoo Jung+,
Hogun Park*
ACM International Conference on Web Search and Data Mining (WSDM), 2025. (Acceptance rate: 17.3%)
arXiv (with full proofs) PDF Code Selected for oral presentation (Top 6.5% paper)
A Spectrum of Nonsense-mediated mRNA Decay Efficiency along the Degree of Mutational Constraint
Young-gon Kim+, Hyunju Kang+, Beomki Lee+, Hyeok-Jae Jang, Jong-ho Park, Changhee Ha,
Hogun Park*, Jong-Won Kim
*
Communications Biology, Nature Portfolio, 2024. (Impact Factor: 5.2; JCR Rank: Top 11.5%)
PDF Code
Enhancing Knowledge Tracing with Concept Map and Response Disentanglement
Soonwook Park, Donghoon Lee
*,
Hogun Park*
Knowledge-Based Systems, Elsevier, 2024. (Impact Factor: 7.2; JCR Rank: Top 13.5%)
arXiv PDF Code
Improving Multi-hop Logical Reasoning in Knowledge Graphs with Context-Aware Query Representation Learning
Jeonghoon Kim, Heesoo Jung, Hyeju Jang,
Hogun Park*
Findings of the Association for Computational Linguistics: ACL, 2024.
arXiv PDF Code
UNR-Explainer: Counterfactual Explanations for Unsupervised Node Representation Learning Models
Hyunju Kang, Geonhee Han,
Hogun Park*
International Conference on Learning Representations (ICLR), 2024.
PDF Code
Self-supervised Multimodal Graph Convolutional Network for Collaborative Filtering
Sungjune Kim, Gyusam Chang, Wonseok Roh, Dae-Neung Sohn, Jung-Tae Lee,
Hogun Park*, Sangpil Kim
*
Information Sciences, Elsevier, 2024. (Impact Factor: 8.1; JCR Rank: Top 7.9%)
PDF
Toward a Better Understanding of Loss Functions for Collaborative Filtering
Seongmin Park, Mincheol Yoon, Jae-woong Lee,
Hogun Park and Jongwuk Lee
ACM International Conference on Information and Knowledge Management (CIKM), 2023.
arXiv PDF Code
Exploiting Relation-aware Attribute Representation Learning in Knowledge Graph Embedding for Numerical Reasoning
Sookyung Kim+, Gayoung Kim+, Ko Keun Kim, Suchan Park, Heesoo Jung,
Hogun Park*
ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), 2023.
arXiv PDF Dataset and Code Video
Generating Post-hoc Explanations for Skip-gram-based Node Embeddings by Identifying Important Nodes with Bridgeness
Hogun Park, Jennifer Neville
Neural Networks, Elsevier, 2023. (Impact Factor: 9.657; JCR Rank: Top 8.1%)
arXiv PDF
Incorporating Experts' Judgment into Machine Learning Models
Hogun Park, Aly Megahed, Peifeng Yin, Yuya Ong, Pravar Mahajan, Pei Guo
Expert Systems with Applications, Elsevier, 2023. (Impact Factor: 8.5; JCR Rank: Top 6.4%)
arXiv PDF Code
Dual Policy Learning for Aggregation Optimization in Graph Neural Network-based Recommender Systems
Heesoo Jung, Sangpil Kim,
Hogun Park*
ACM Web Conference (WWW), 2023.
arXiv Code
Laser-induced Carbonization for Anticounterfeiting Tags
Srinivas Gandla, Changgyun Moon, Seungho Baek,
Hogun Park*, Seonkuk Kim
*
Advanced Functional Materials, Wiley, 2023. (Impact Factor: 19.924; JCR Rank in Category (PHYSICS, APPLIED): Top 4.7% (8/161))
PDF Press Release (Korean)
Featured on the cover
Providing Post-hoc Explanation for Node Representation Learning Models Through Inductive Conformal Predictions
Hogun Park
IEEE Access, 2023.
PDF
Stretchable Array sEMG Sensor with Graph Neural Network for Static and Dynamic Gestures Recognition System
Heesoo Jung+, Soyoung Lee+, Hyeyun Lee+, Jaeseong Kim+, Srinivas Gandla
*, Kyung Jae Yoon
*,
Hogun Park*, Seonkuk Kim
*
npj Flexible Electronics, Springer Nature, 2023. (Impact Factor: 14.6; JCR Rank in Category (EE): Top 2.0% (6/275))
PDF Code Video News (Korean)
Finding Client-side Business Flow Tampering Vulnerabilities
I Luk Kim, Yunhui Zheng,
Hogun Park, Weihang Wang, Wei You, Yousra Aafer, Xiangyu Zhang
International Conference on Software Engineering (ICSE), 2020. (Acceptance rate: 20.91%)
PDF
Role Equivalence Attention for Label Propagation in Graph Neural Networks
Hogun Park, Jennifer Neville
Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD), 2020. (Acceptance rate: 21%)
PDF
A framework for understanding online group behaviors during a catastrophic event
Jooho Kim,
Hogun Park*
International Journal of Information Management, Elsevier, Volume 51, 2020.
(Impact Factor: 14.098; JCR Rank in Category (Information Science): 1/87)
PDF
Exploiting Interaction Links for Node Classification with Deep Graph Neural Networks
Hogun Park, Jennifer Neville
International Joint Conference on Artificial Intelligence (IJCAI), 2019. (Acceptance rate: 17.89%)
PDF Code
Learning Procedures from Text: Codifying How-to Procedures in Deep Neural Networks
Hogun Park, Hamid Reza Motahari Nezhad
ACM Web Conference (WWW) - Cognitive Computing Track, 2018.
PDF
Deep Dynamic Relational Classifiers: Exploiting Dynamic Neighborhoods in Complex Networks
Hogun Park, John Moore, Jennifer Neville
MAISoN Workshop at ACM International Conference on Web Search and Data Mining (WSDM), 2017.
PDF
Real-Time Panoramic Video Streaming System with Overlaid Interface Concept for Social Media
Dongmahn Seo, Suhyun Kim,
Hogun Park, Heedong Ko
Multimedia Systems, Springer, Volume 20, Issue 6, 2014.
PDF Video
Trendy Episode Detection at a Very Short Time Granularity
Hogun Park, Sun-Bum Youn, Geun-Yong Lee, Heedong Ko
European Interactive TV Conference (EuroITV, now ACM IMX), 2011.
PDF
Sharing of Baseball Event through Social Media
Hogun Park, Sun-Bum Youn, Eugene Hong, Changhyeon Lee, Yong-moo Kwon, Heedong Ko, Myon-Woong Park, Young Tae Sohn, Jae Kwan Kim
ACM SIGMM International Conference on Multimedia Information Retrieval (MIR, now ACM ICMR), 2010.
PDF Video
Interactive Information Seeking Interface for Exploratory Search
Hogun Park, Sung-Hyon Myaeng, Gwan Jang, Jong-wook Choi, Sooran Jo, Hyungchul Roh
Human-Computer Interaction and Information Retrieval (HCIR, now ACM CHIIR), 2008.
PDF Extended PDF Video
Supporting Mixed Initiative Human-Robot Interaction: A Script-based Cognitive Architecture Approach
Hogun Park, Yoonjung Choi, Yuchul Jung, and Sung-Hyon Myaeng
IEEE International Joint Conference on Neural Networks (IJCNN), 2008.
PDF
Designing a Cognitive Case-Based Reasoning Framework for Home Service Robots
Yuchul Jung,
Hogun Park, Yoonjung Choi, and Sung-Hyon Myaeng
IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN), 2007.
PDF
A Hybrid Mood Classification Approach for Blog Text
Yuchul Jung,
Hogun Park, and Sung-Hyon Myaeng
Pacific Rim International Conference on Artificial Intelligence (PRICAI), 2006. (Acceptance rate: 28.8%)
PDF