Research Scientist, Korea Institute of Science and Technology (KIST) , South Korea (2008-2013)
Technical Editor, United Nations Centre for Trade Facilitation and Electronic Business (UN/CEFACT) (2012-2013)
Research Intern, IBM Research, USA (2017, 2018)
Journal Articles
(2024)
Self-supervised Multimodal Graph Convolutional Network for collaborative filtering.
INFORMATION SCIENCES.
653,
1
(2023)
Generating post-hoc explanations for Skip-gram-based node embeddings by identifying important nodes with bridgeness.
NEURAL NETWORKS.
164,
1
(2023)
Incorporating experts' judgment into machine learning models.
EXPERT SYSTEMS WITH APPLICATIONS.
228,
120118
(2022)
Stretchable Array sEMG Sensor with Graph Neural Network for Static and Dynamic Gestures Recognition System.
NPJ FLEXIBLE ELECTRONICS.
1,
1
(2020)
A framework for understanding online group behaviors during a catastrophic event.
INTERNATIONAL JOURNAL OF INFORMATION MANAGEMENT.
51,
(2014)
Real-time panoramic video streaming system with overlaid interface concept for social media.
MULTIMEDIA SYSTEMS.
20,
6
(2006)
A hybrid mood classification approach for blog text.
LECTURE NOTES IN COMPUTER SCIENCE.
4099,
Patent/Intellectual Property
컨텐츠 연관 정보 관리 장치 및 그 방법(Apparatus and Method for managing information related with content).
10-1427-7110000.
20140801.
KOREA, REPUBLIC OF
Highlight Providing System and Method based on Hot Topic Event Detection.
US20120079020A1.
20140527.
UNITED STATES
제품 및 서비스 관련 리뷰에 대한 요약 정보 생성 시스템 및 방법.
10-2012-0003157.
20131011.
KOREA, REPUBLIC OF
SNS 정보를 이용한 파노라마 영상 인터페이스 제공 시스템 및 방법(Panoramic Video Interface Providing System and Method using SNS Information).
10-1295-0020000.
20130801.
KOREA, REPUBLIC OF
실시간 고해상도 파노라마 영상 스트리밍 시스템 및 방법(Real-time Panorama Streaming System for High Resolution Panorama Videos and/or Images).
10-1282-9550000.
20130701.
KOREA, REPUBLIC OF
멀티 앵글 기반의 미디어 자키를 이용한 실시간 개인 방송 시스템(Real Time Personal Broadcasting System using Media Jockey based on Multi-Angle).
10-1242-4780000.
20130306.
KOREA, REPUBLIC OF
핫 토픽 이벤트 추출에 기반한 실시간 이벤트의 하이라이트 제공 시스템 및 이를 이용한 하이라이트 서비스 제공방법(HIGHLIGHT PROVIDING SYSTEM BASED ON HOT TOPIC EVENT EXTRACTION AND HIGHLIGHT SERVICE PROVIDING METHOD USING THE SAME).
10-1169-3770000.
20120723.
KOREA, REPUBLIC OF
문맥 기반 광고 시스템 및 방법(System and method for advertising based on context).
10-1110-0220000.
20120119.
KOREA, REPUBLIC OF
Honors / Awards
Fulbright Fellowship, the U.S. Department of State (2013-2018)
Conference Paper
(2023)
Toward a Better Understanding of Loss Functions for Collaborative Filtering.
ACM Conference on Information and Knowledge Management.
UNITED KINGDOM
(2023)
Exploiting Relation-aware Attribute Representation Learning in Knowledge Graph Embedding for Numerical Reasoning.
ACM SIGKDD Conference on Knowledge Discovery and Data Mining.
UNITED STATES
(2023)
Dual Policy Learning for Aggregation Optimization in Graph Neural Network-based Recommender Systems.
International World Wide Web Conference.
UNITED STATES
(2020)
Role Equivalence Attention for Label Propagation in
Graph Neural Networks.
Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD).
SINGAPORE
(2019)
Exploiting Interaction Links for Node Classification with Deep Graph Neural Networks.
International Joint Conference on Artificial Intelligence.
CHINA
(2018)
Learning Procedures from Text: Codifying How-to Procedures in Deep Neural Networks.
World-Wide Web Conference.
EU
(2010)
Sharing of Baseball Event through Social Media.
11th ACM SIGMM International Conference on Multimedia Information Retrieval (MIR 2010, now ACM ICMR).
UNITED STATES