This page includes additional research outputs beyond conventional academic publications. For international and domestic publications, please refer to the following pages:

Open Datasets

Jooho Lee, Yoewon Yoon, O-Joun Lee: Korean News Corpus for Changes in Child Abuse before and after COVID-19 Outbreak. Figshare 08/2023. DOI:10.6084/m9.figshare.24025491.v1 (Dataset)
Eun-Soon You, Hyeon-Ju Jeon, O-Joun Lee: A Social Network of Characters Appeared in the French Novel Series “La Comédie humaine” and An Interaction Network of Novels in the Series. Figshare 08/2023. DOI:10.6084/m9.figshare.23994078.v1 (Dataset)
Eun-Soon You, Hyeon-Ju Jeon, O-Joun Lee: A Dynamic Social Network of Characters Appeared in the French Novel “Les Liaisons Dangereuses”. Figshare 08/2023. DOI:10.6084/m9.figshare.23993748.v1 (Dataset)

Patents

O-Joun Lee, Van Thuy Hoang: Method for pre-training using graph information bottleneck based on subgraph and system thereof (서브그래프 기반 그래프 정보 병목 기법을 이용한 사전학습 방법 및 그 시스템). Ref. No: KR 1020250030478, 03/2025
O-Joun Lee, Van Thuy Hoang, Hochan Yang, Ju Hee Shim, Seung Kim, SungGyu Kim: System of Recommending Halal Cosmetics based on Knowledge Graph Representation Learning (지식 그래프 표현 학습에 기반한 할랄 화장품 추천 시스템). Ref. No: KR 1020240159542, 11/2024 (Transferred to Shukran Korea Inc.)
O-Joun Lee, Van Thuy Hoang: Graph Represntation Learning Method and System Thereof (그래프 표현 학습 방법 및 그 시스템). Ref. No: KR 1020240104783, 08/2024
O-Joun Lee, Van Thuy Hoang, Sang Thanh Nguyen, Dong Kook Park, Doyul Lee: Apparatus and Method for Representation Learning of Knowledge Graph using Heterogeneous Data Comprehensively (이종 데이터를 통합적으로 이용하는 지식 그래프 표현 학습 방법 및 장치). Ref. No: KR 1020240090256, 07/2024
O-Joun Lee, Van Thuy Hoang: Apparatus and Method for Training Graph Neural Network based on Graph Augmentation (그래프 증강 기반 그래프 뉴럴 네트워크 학습 방법 및 장치). Ref. No: KR 1020240086072, 07/2024
O-Joun Lee, Van Thuy Hoang, Ho Beom Kim, Jinho Seo, Seung Charlie Kim, Nox Kim: System and Method for Predicting Availability based on Knowledge Graph (지식 그래프 기반의 가용성 예측 시스템 및 방법). Ref. No: KR 1020230171167, 11/2023 (Transferred to Shukran Korea Inc.)
Young Man Kwon, Seok Jeong, O-Joun Lee, Joo-Ho Lee, Ji-Yoon Song: System for Providing Context Awareness based Cross-Domain Recommendation Service for Retail Kiosk (리테일 키오스크를 위한 상황인지 기반 크로스도메인 추천 서비스 제공 시스템). Ref. No: KR 1020220087796, 07/2022
Jason J. Jung, O-Joun Lee: Method and apparatus for content analysis including story (서사 콘텐츠 분석 방법 및 그 장치). Ref. No: KR 1020180058510, 05/2018
Jason J. Jung, Jaehong Park, O-Joun Lee, Min-Sung Hong: Server and Method for providing search results using SNS date, Recording medium for performing the method (SNS 데이터를 이용하여 검색어에 따른 결과를 제공하는 장치 및 방법과, 이를 수행하기 위한 기록 매체). Ref. No: KR 1020170165067, 12/2017 (Transferred to Waplus Inc.)
Jason J. Jung, Min-Sung Hong, O-Joun Lee: Apparatus and Method for recommending item to user group using emotion information (감정 정보를 이용하여 사용자 그룹에 대해 아이템을 추천하는 장치 및 방법). Ref. No: KR 1020170042015, 03/2017
Jason J. Jung, Min-Sung Hong, O-Joun Lee: Apparatus and Method for recommending item for user group (사용자 그룹에 대한 아이템 추천 장치 및 방법). Ref. No: KR 1020170033241, 03/2017 (Transferred to Allwinware Inc.)
Jason J. Jung, O-Joun Lee: Method and Apparatus for matching identification information of plurality of SNS (복수의 SNS의 식별정보 매칭 방법 및 장치). Ref. No: KR 1020150128425, 09/2015
Jason J. Jung, O-Joun Lee: Event processing system, Event processing method and Computer program (이벤트 처리 시스템, 이벤트 처리 방법 및 컴퓨터 프로그램). Ref. No: KR 1020150099077, 07/2015 (Transferred to Nexinno Corp.)
Hyun-Sik Kim, Seung-Bo Park, Eun-Soon You, O-Joun Lee, Byung Joon Cho: Apparatus and Method for Supporting Writer by Tracing Conversation based on Text Analysis (텍스트 분석 기반 대화 이력 추적을 이용한 작가 지원 장치 및 방법). Ref. No: KR 1020150057199, 04/2015 (Transferred to EINEBLUME (Chatie))
O-Joun Lee, Eun-Soon You, Byung Joon Cho: Apparatus and Method for Predictive Clustering-based Collaborative Filtering (예측적 군집화 기반 협업 필터링 장치 및 방법). Ref. No: KR 1020150042144, 03/2015 (Transferred)
Jae-Dong Lee, Seung-Hun Kim, Min-Sung Hong, Kee-Won Kim, O-Joun Lee, Won-Jin Lee: Apparatus for Analyzing Contents and Method Thereof (콘텐츠 분석 장치 및 방법). Ref. No: KR 1020140093024, 07/2014
O-Joun Lee, Jae-Dong Lee, Won-Jin Lee, Seung-Bo Park, Min-Sung Hong, Gyu-Chan Lim: Apparatus and Method for Hybrid Filtering Content Recommendation using User Profile and Context Information based on Preference (사용자 프로파일과 상황 정보를 이용한 선호도 기반 하이브리드 필터링 콘텐츠 추천 장치 및 방법). Ref. No: KR 1020140027866, 03/2014 (Transferred to BRIPHY Inc.)
O-Joun Lee, Jae-Dong Lee, Seung-Hun Kim, Won-Jin Lee, Seung-Bo Park, Min-Sung Hong, Se-Jun Park: Apparatus and Method for Predicting User Feed Back in Collaborative Recommendation System (협업 추천 시스템에서의 사용자 피드백 예측 장치 및 방법). Ref. No: KR 1020140027865, 03/2014

Awards & Grants

Feb 2025: Van Thuy Hoang, “The Best Award (최우수상)”, The 22nd Graduate School Academic Awards (제22회 대학원 학술상), Bucheon, Korea

Dec 2023: Van Thuy Hoang, “Excellence in Research Award”, The 2nd CUK Annual Colloquium on Artificial Intelligence (CUK AI Colloquium 2023), Bucheon, Korea

Dec 2022: Sang Thanh Nguyen, “Excellence in Research Award”, The 1st CUK Annual Colloquium on Artificial Intelligence (CUK AI Colloquium 2022), Seoul, Korea
Jun 2022: Jiyoon Song, Se Eun Cho, Jooho Lee, Yeongmin Kim, Hyebin Ahn, O-Joun Lee, “Best Paper Award”, The 2022 Conference of Korea Institute of Smart Media (KISM), Daejeon, Korea

Invited Talks

O-Joun Lee: An Overview of Graph Learning Models in Molecular Structure Analysis. The 9th IEEE/IEIE International Conference on Consumer Electronics Asia (ICCE-Asia 2024), Danang, Vietnam, 11/2024

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O-Joun Lee: Molecular Structure Analysis using Graph Neural Networks. The 2024 Summer Workshop of Korean Institute of Next Generation Computing, Jeju, Korea, 08/2024

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O-Joun Lee: Analyzing Molecular Structures with Graph Neural Networks. The 2024 Summer Annual Conference of the Institute of Electronics and Information Engineers, Jeju, Korea, 06/2024

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O-Joun Lee: Knowledge Graph Reasoning and its Applications. Telecommunications Technology Association, Seongnam, Korea, 09/2023
O-Joun Lee: Semiconductor Design with Graph Neural Networks. The 2023 Summer Annual Conference of the Institute of Electronics and Information Engineers, Jeju, Korea, 06/2023

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O-Joun Lee: Spatio-Temporal Forecasting Models for Renewable Energy. The 1st International Conference on Intelligence of Things (ICIT 2022), Hanoi, Vietnam, 08/2022

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O-Joun Lee: Character Network Embedding for Computational Narrative Analytics. The 2022 Summer Workshop of Korean Institute of Next Generation Computing, Pyeongchang, Korea, 07/2022

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O-Joun Lee: Heterogeneous Network Embedding and its Applications. The 2021 Fall Conference of Korean Institute of Smart Media, Gwangju, Korea, 11/2021
O-Joun Lee: Trends in Interdisciplinary Research and Collaboration Opportunities. Vietnam National University, Hanoi - International School (VNU - IS), Virtual, 09/2021

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Posters

AAAI 2025 (The 39th AAAI Conference on Artificial Intelligence), 02/2025

AAAI 2024 (The 38th AAAI Conference on Artificial Intelligence), 02/2024

XAI4Sci @ AAAI 2024 (The Explainable Machine Learning for Sciences Workshop held in conjunction with the 38th AAAI Conference on Artificial Intelligence), 02/2024