publications

Full publications on Google Scholar. Asterisk (*) means equal contribution.

2025

  1. CGT.jpg
    Mitigating Degree Bias in Graph Representation Learning With Learnable Structural Augmentation and Structural Self-Attention
    Van Thuy HoangHyeon-Ju Jeon , and O-Joun Lee
    IEEE Transactions on Network Science and Engineering, 2025
  2. SCGIB.jpg
    Pre-Training Graph Neural Networks on Molecules by Using Subgraph-Conditioned Graph Information Bottleneck
    Van Thuy Hoang , and O-Joun Lee
    In Proceedings of the 39th AAAI Conference on Artificial Intelligence (AAAI 2025) , 2025
  3. DHG-BERT.jpg
    Curriculum-Guided Self-Supervised Representation Learning of Dynamic Heterogeneous Networks
    Namgyu Jung, David Camacho , Chang Choi , and O-Joun Lee
    Cognitive Computation, 2025
  4. IEEE Access
    A Comparative Study of Deep Audio Models for Spectrogram- and Waveform-Based SingFake Detection
    Minh Nguyen-Duc , Luong Vuong Nguyen, Huy Nguyen-Ho-Nhat , Tri-Hai Nguyen , and O-Joun Lee
    IEEE Access, 2025
  5. IEEE Access
    Capturing Semantic Relationships Using Full Dependency Forests to Improve Consistency in Long Document Summarization
    Yanjun Wu , Luong Vuong Nguyen , and O-Joun Lee
    IEEE Access, 2025
  6. IEEE Access
    Transmission Power Optimization for Hybrid NOMA-URLLC System With STAR-RIS Assistance
    Tra Huong Thi Le , Nguyen Van Dien , Luong Vuong NguyenTri-Hai Nguyen , and O-Joun Lee
    IEEE Access, 2025
  7. HaCKG.jpg
    Halal or Not: Knowledge Graph Completion for Predicting Cultural Appropriateness of Daily Products
    Van Thuy HoangTien-Bach-Thanh Do, Jinho Seo , Seung Charlie Kim , Luong Vuong Nguyen, Duong Nguyen Minh Huy , Hyeon-Ju Jeon , and O-Joun Lee
    IEEE Access, 2025

2024

  1. ICIT
    MoviePoster-Grounded Contextual Visualization Using Multimodal Techniques
    Huu-Tuong Ho , Minh-Tien Pham , Quang-Duong Tran , Quang-Huy Pham , Quang Dieu Tran , Ngoc Phi Nguyen , O-Joun Lee, and Luong Vuong Nguyen
    In Proceedings of the 3rd International Conference on Intelligence of Things (ICIT 2024) , 2024
  2. ICCE-Asia
    An Overview of Pre-Trained Graph Models for Molecular Structure Analysis
    Van Thuy Hoang , and O-Joun Lee
    In Proceedings of the 9th IEEE/IEIE International Conference On Consumer Electronics Asia (ICCE-Asia 2024) , 2024
  3. IEEE Access
    Face Detection Using Eigenfaces: A Comprehensive Review
    Huu-Tuong Ho , Luong Vuong Nguyen, Tra Le Thi Huong , and O-Joun Lee
    IEEE Access, 2024
  4. J Mater Chem C
    A neural compact model based on transfer learning for organic FETs with Gaussian disorder
    Minsun Cho , Marin Franot , O-Joun Lee , and Sungyeop Jung
    Journal of Materials Chemistry C, 2024
  5. npj Clean Water
    Internal pipe corrosion assessment method in water distribution system using ultrasound and convolutional neural networks
    Yeongho Sung , Hyeon-Ju Jeon, Daehun Kim , Min-Seo Kim , Jaeyeop Choi , Hwan Ryul Jo , Junghwan Oh , O-Joun Lee, and Hae Gyun Lim
    npj Clean Water, 2024
  6. UGT.jpg
    Transitivity-Preserving Graph Representation Learning for Bridging Local Connectivity and Role-Based Similarity
    Van Thuy Hoang , and O-Joun Lee
    In Proceedings of the 38th AAAI Conference on Artificial Intelligence (AAAI 2024) , 2024
  7. MLST.jpg
    Observation impact explanation in atmospheric state estimation using hierarchical message-passing graph neural networks
    Hyeon-Ju Jeon, Jeon-Ho Kang , In-Hyuk Kwon , and O-Joun Lee
    Machine Learning: Science and Technology, 2024
  8. CART.jpg
    Kiosk Recommend System Based On Self-Supervised Representation Learning of User Behaviors in Offline Retail
    Nam Gyu JungVan Thuy HoangO-Joun Lee, and Chang Choi
    IEEE Internet of Things Journal, 2024
  9. IEEE Sens J
    Quantification of dysnatremia using single-beam acoustic microbeam and convolutional neural networks
    Ji Won Nam , Hyeon-Ju Jeon , Jeong Eun Lee , O-Joun Lee, and Hae Gyun Lim
    IEEE Sensors Journal, 2024
  10. Ultrasonics
    Diagnosis of diabetes mellitus using high frequency ultrasound and convolutional neural network
    Jeong Eun Lee , Hyeon-Ju JeonO-Joun Lee, and Hae Gyun Lim
    Ultrasonics, 2024
  11. BMC Med Img
    Automated classification of liver fibrosis stages using ultrasound imaging
    Hyun-Cheol Park , YunSang Joo , O-Joun Lee , Kunkyu Lee , Tai-Kyong Song , Chang Choi , Moon Hyung Choi , and Changhan Yoon
    BMC Medical Imaging, 2024

2023

  1. EACL
    “Why do I feel offended?’ Korean Dataset for Offensive Language Identification
    San-Hee Park , Kang-Min Kim , O-Joun Lee, Youjin Kang , Jaewon Lee , Su-Min Lee , and SangKeun Lee
    In Proceedings of the 17th Conference of the European Chapter of the Association for Computational Linguistics (EACL 2023) , 2023
  2. Sensors
    Graph Representation Learning and Its Applications: A Survey
    Van Thuy HoangHyeon-Ju JeonEun-Soon You , Yoewon Yoon , Sungyeop Jung , and O-Joun Lee
    Sensors, 2023
  3. LiteralKG.jpg
    Companion Animal Disease Diagnostics Based on Literal-Aware Medical Knowledge Graph Representation Learning
    Van Thuy Hoang , Thanh Sang Nguyen , Sangmyeong Lee , Jooho Lee , Luong Vuong Nguyen , and O-Joun Lee
    IEEE Access, 2023
  4. RACS
    Long Short-Term Memory Network (LSTM) based Stock Price Prediction
    Akshat Gaurav , Varsha Arya , Kwok Tai Chui , Brij B. Gupta , Chang Choi , and O-Joun Lee
    In Proceedings of the 2023 ACM International Conference on Research in Adaptive and Convergent Systems (RACS 2023) , 2023
  5. IEEE Access
    Classification of Liver Fibrosis From Heterogeneous Ultrasound Image
    Yunsang Joo , Hyun-Cheol Park , O-Joun LeeChanghan Yoon , Moon Hyung Choi , and Chang Choi
    IEEE Access, 2023

2022

  1. SciRep
    Automated estimation of cancer cell deformability with machine learning and acoustic trapping
    O-Joun LeeHae Gyun Lim, K. Kirk Shung , Jin-Taek Kim , and Hyung Ham Kim
    Scientific Reports, 2022
  2. Sensors
    Day-Ahead Hourly Solar Irradiance Forecasting Based on Multi-Attributed Spatio-Temporal Graph Convolutional Network
    Hyeon-Ju Jeon , Min-Woo Choi , and O-Joun Lee
    Sensors, 2022
  3. SciRep
    Automated cell-type classification combining dilated convolutional neural networks with label-free acoustic sensing
    Hyeon-Ju JeonHae Gyun Lim, K. Kirk Shung , O-Joun Lee, and Min Gon Kim
    Scientific Reports, 2022

2021

  1. Comp4Human
    Computing4Human 2021: The 2nd international conference on human-centered artificial intelligence
    Nam D. Vo , O-Joun Lee, Khac-Hoai Nam Bui , Hae Gyun LimHyeon-Ju Jeon , Phuong-Mai Nguyen , Jin-Taek Kim , Bui Quang Tuyen , Jason J. Jung, and Thuy Anh Vo
    In Proceedings of the 2nd International Conference on Human-centered Artificial Intelligence (Computing4Human 2021) , 2021
  2. MIS
    Interinstitutional Research Team Formation Based on Bibliographic Network Embedding
    O-Joun Lee, Seungha Hong , and Jin-Taek Kim
    Mobile Information Systems, 2021
  3. JOI.jpg
    Learning multi-resolution representations of research patterns in bibliographic networks
    O-Joun LeeHyeon-Ju Jeon, and Jason J. Jung
    Journal of Informetrics, 2021
  4. AppSci
    Plot structure decomposition in narrative multimedia by analyzing personalities of fictional characters
    O-Joun LeeEun-Soon You, and Jin-Taek Kim
    Applied Sciences (Switzerland), 2021
  5. Comp4Human
    Learning contextual representations of citations via graph transformer
    Hyeon-Ju Jeon , Gyu-Sik Choi , Se-Young Cho , Hanbin Lee , Hee Yeon Ko , Jason J. JungO-Joun Lee, and Myeong-Yeon Yi
    In Proceedings of the 2nd International Conference on Human-centered Artificial Intelligence (Computing4Human 2021) , 2021
  6. Comp4Human
    Quantifying conflicts in narrative multimedia by analyzing visual storytelling techniques
    O-Joun Lee, Jin-Taek Kim , and Eun-Soon You
    In Proceedings of the 2nd International Conference on Human-centered Artificial Intelligence (Computing4Human 2021) , 2021

2020

  1. IJCAI
    Story embedding: Learning distributed representations of stories based on character networks
    O-Joun Lee, and Jason J. Jung
    In Proceedings of the 29th International Joint Conference on Artificial Intelligence (IJCAI 2020) , 2020
  2. Comp4Human
    Discovering mise-en-scène in movies by analyzing scripts
    O-Joun Lee, and Jin-Taek Kim
    In Proceedings of the 1st International Workshop on Computational Humanities and Social Sciences (Computing4Human 2020) , 2020
  3. JAIHC
    A novel network virtualization based on data analytics in connected environment
    Khac-Hoai Nam Bui , Sungrae Cho , Jason J. Jung, Joongheon Kim , O-Joun Lee, and Woongsoo Na
    Journal of Ambient Intelligence and Humanized Computing, 2020
  4. AIJ
    Story embedding: Learning distributed representations of stories based on character networks
    O-Joun Lee, and Jason J. Jung
    Artificial Intelligence, 2020
  5. Cancers
    Classification of breast cancer cells using the integration of high-frequency single-beam acoustic tweezers and convolutional neural networks
    Hae Gyun LimO-Joun Lee, K. Kirk Shung , Jin-Taek Kim , and Hyung Ham Kim
    Cancers, 2020
  6. ICEA
    Towards Story-based Summarization of Narrative Multimedia
    O-Joun Lee, Jin-Taek Kim , and Eun-Soon You
    In Proceedings of the 2020 ACM International Conference on Intelligent Computing and its Emerging Applications (ICEA 2020) , 2020
  7. Comp4Human
    Computing4Human 2020: The 1st international workshop on computational humanities and social sciences
    Jin-Taek Kim , Jason J. JungEunsoon You , and O-Joun Lee
    In Proceedings of the 1st International Workshop on Computational Humanities and Social Sciences (Computing4Human 2020) , 2020
  8. ECIRw
    Measuring narrative fluency by analyzing dynamic interaction networks in textual narratives
    O-Joun Lee, and Jin-Taek Kim
    In Proceedings of the 3rd Workshop on Narrative Extraction From Texts (Text2Story 2020), co-located with the 42nd European Conference on Information Retrieval (ECIR 2020) , 2020
  9. RACS
    Learning Multi-modal Representations of Narrative Multimedia: A Case Study of Webtoons
    O-Joun Lee, and Jin-Taek Kim
    In Proceedings of the 2020 ACM International Conference on Research in Adaptive and Convergent Systems (RACS 2020) , 2020
  10. Sustain
    Discovering social desires and conflicts from subculture narrative multimedia
    O-Joun Lee, Heelim Hong , Eun-Soon You, and Jin-Taek Kim
    Sustainability, 2020
  11. IJCAIw
    IdeaNet: Potential opportunity discovery for business innovation
    O-Joun Lee, Sung Youn Park , and Jin-Taek Kim
    In Proceedings of the Artificial Intelligence for Narratives Workshop (AI4Narratives 2020) held in conjunction with the 29th International Joint Conference on Artificial Intelligence (IJCAI 2020) and the 17th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2020) , 2020
  12. Sensors
    Learning hierarchical representations of stories by using multi-layered structures in narrative multimedia
    O-Joun LeeJason J. Jung, and Jin-Taek Kim
    Sensors, 2020

2019

  1. FGCS
    Modeling affective character network for story analytics
    O-Joun Lee, and Jason J. Jung
    Future Generation Computer Systems, 2019
  2. FDATA
    Is Performance of Scholars Correlated to Their Research Collaboration Patterns?
    Hyeon-Ju JeonO-Joun Lee, and Jason J. Jung
    Frontiers in Big Data, 2019
  3. IPM
    Integrating character networks for extracting narratives from multimodal data
    O-Joun Lee, and Jason J. Jung
    Information Processing and Management, 2019
  4. WIMS
    Character network embedding-based plot structure discovery in narrative multimedia
    O-Joun Lee, and Jason J. Jung
    In Proceedings of the 9th International Conference on Web Intelligence, Mining and Semantics (WIMS 2019) , 2019

2018

  1. IUIw
    Explainable movie recommendation systems by using story-based similarity
    O-Joun Lee, and Jason J. Jung
    In Proceedings of the workshop on Explainable Smart Systems (ExSS 2018), held in conjunction with the 23rd International Conference on Intelligent User Interfaces (IUI 2018) , 2018
  2. MONET
    Owner-Borrower Model for Recommenders in O2O Services
    O-Joun Lee, and Jai E. Jung
    Mobile Networks and Applications, 2018
  3. JUCS
    Multi-scaled spatial analytics on discovering latent social events for smart urban services
    O-Joun Lee, Yunhu Kim , Hoang Long Nguyen , and Jai E. Jung
    Journal of Universal Computer Science, 2018
  4. CCPE
    Spatio-temporal query contextualization for microtext retrieval in social media
    Jae-Hong Park , O-Joun Lee, and Jai E. Jung
    Concurrency and Computation: Practice and Experience, 2018
  5. ECIRw
    Measuring character-based story similarity by analyzing movie scripts
    O-Joun Lee, Nayoung Jo , and Jason J. Jung
    In Proceedings of the 1st Workshop on Narrative Extraction From Text (Text2Story 2018), co-located with the 40th European Conference on Information Retrieval (ECIR 2018) , 2018

2017

  1. IEEE Access
    Towards Ontological Approach on Trust-Aware Ambient Services
    O-Joun Lee , Hoang Long Nguyen , Jai E. Jung, Tai-Won Um , and Hyun-Woo Lee
    IEEE Access, 2017
  2. FGCS
    Sequence Clustering-based Automated Rule Generation for Adaptive Complex Event Processing
    O-Joun Lee, and Jai E. Jung
    Future Generation Computer Systems, 2017
  3. MTAP
    A computational model of transmedia ecosystem for story-based contents
    Jai E. JungO-Joun LeeEun-Soon You, and Myoung-Hee Nam
    Multimedia Tools and Applications, 2017
  4. BDTA
    Network engineering: Towards data-driven framework for network configuration
    Khac Hoai Nam Bui , Sungrae Cho , Jason J. Jung, Joongheon Kim , O-Joun Lee, and Woongsoo Na
    In Proceedings of the 8th EAI International Conference on Big Data Technologies and Applications (BDTA 2017) , 2017
  5. IEEE Access
    Event-Driven Trust Refreshment on Ambient Services
    Hoang Long Nguyen , O-Joun LeeJai E. Jung, Jaehwa Park , Tai-Won Um , and Hyun-Woo Lee
    IEEE Access, 2017
  6. DaMIS
    Spatio-Temporal Contextualization of Queries for Microtexts in Social Media: Mathematical Modeling
    Jae-Hong Park , O-Joun Lee, Joo-Man Han , Eon-Ji Lee , Jason J. Jung, Luca Carratore , and Francesco Piccialli
    In Proceedings of the 2nd International Workshop in Data Mining on IoT Systems (DaMIS 2017) held in conjunction with the 8th International Conference on Emerging Ubiquitous Systems and Pervasive Networks (EUSPN 2017) , 2017
  7. IE
    Towards affective lifelogging with information fusion
    Jason J. Jung, Minsung Hong , O-Joun Lee, Jaehong Park , and Chang Choi
    In Proceedings of the 13th International Conference on Intelligent Environments (IE 2017) , 2017
  8. MTAP
    Exploiting character networks for movie summarization
    Quang Dieu Tran , Dosam Hwang , O-Joun Lee, and Jai E. Jung
    Multimedia Tools and Applications, 2017

2016

  1. APH
    Adaptive collaborative filtering based on scalable clustering for big recommender systems
    O-Joun Lee, Min-Sung Hong , Jason J. Jung, Juhyun Shin , and Pankoo Kim
    Acta Polytechnica Hungarica, 2016
  2. AfCAI
    Affective character network for understanding plots of narrative multimedia contents
    O-Joun Lee, and Jason J. Jung
    In Proceedings of the 1st International Workshop on Affective Computing and Context Awareness in Ambient Intelligence (AfCAI 2016) , 2016
  3. ISAmI
    Dynamic traffic light control system based on process synchronization among connected vehicles
    Khac-Hoai Nam Bui , O-Joun LeeJason J. Jung, and David Camacho
    In Proceedings of the 7th International Symposium on Ambient Intelligence (ISAmI 2016) , 2016
  4. BDTA
    A novel method for extracting dynamic character network from movie
    Quang Dieu Tran , Dosam Hwang , O-Joun Lee, and Jason J. Jung
    In Proceedings of the 7th EAI International Conference on Big Data Technologies and Applications (BDTA 2016) , 2016

2015

  1. ACIIDS
    Adaptive complex event processing based on collaborative rule mining engine
    O-Joun LeeEunsoon You, Min-Sung Hong , and Jason J. Jung
    In Proceedings of the 7th Asian Conference on Intelligent Information and Database Systems (ACIIDS 2015) , 2015
  2. ICCASA
    Context-based traffic recommendation system
    Khac-Hoai Nam Bui , Xuan Hau Pham , Jason J. JungO-Joun Lee, and Min-Sung Hong
    In Proceedings of the 5th EAI International Conference on Context-Aware Systems and Applications (ICCASA 2015) , 2015
  3. ICCASA
    MBTI-based collaborative recommendation system: A case study of Webtoon contents
    Myeong-Yeon Yi , O-Joun Lee, and Jason J. Jung
    In Proceedings of the 5th EAI International Conference on Context-Aware Systems and Applications (ICCASA 2015) , 2015
  4. CYBCONF
    Predictive Clustering for performance stability in collaborative filtering techniques
    O-Joun LeeJason J. Jung, and Eunsoon You
    In Proceedings of the 2nd IEEE International Conference on Cybernetics (CYBCONF 2015) , 2015

2014

  1. Inform
    Meta-data configuration and learning technique for wellness content recommendation
    Min-Sung Hong , O-Joun Lee , Won-Jin Lee , Kee-Won Kim , Seung-Hoon Kim , Hee-Jung Han , and Jae-Dong Lee
    Information, 2014