no code implementations • 26 Mar 2024 • Hyeon-Ju Jeon, Jeon-Ho Kang, In-Hyuk Kwon, O-Joun Lee
This paper investigates the impact of observations on atmospheric state estimation in weather forecasting systems using graph neural networks (GNNs) and explainability methods.
no code implementations • 21 Feb 2024 • Hyeon-Ju Jeon, Jeon-Ho Kang, In-Hyuk Kwon, O-Joun Lee
Combining an XGNN-based atmospheric state estimation model with a numerical weather prediction model, we provide a web application to search for observations in the 3D space of the Earth system and to visualize the impact of individual observations on predictions in specific spatial regions and time periods.
no code implementations • 29 Jan 2024 • Van Thuy Hoang, O-Joun Lee
The transformer architecture has shown remarkable success in various domains, such as natural language processing and computer vision.
1 code implementation • 28 Dec 2023 • Van Thuy Hoang, O-Joun Lee
In this paper, we propose Community-aware Graph Transformers, namely CGT, to learn degree-unbiased representations based on learnable augmentations and graph transformers by extracting within community structures.
Ranked #1 on Node Clustering on Pubmed (Conductance metric)
1 code implementation • 31 Aug 2023 • Van Thuy Hoang, Sang Thanh Nguyen, Sangmyeong Lee, Jooho Lee, Luong Vuong Nguyen, O-Joun Lee
In this paper, we propose a knowledge graph embedding model for the efficient diagnosis of animal diseases, which could learn various types of literal information and graph structure and fuse them into unified representations, namely LiteralKG.
3 code implementations • 18 Aug 2023 • Van Thuy Hoang, O-Joun Lee
In this paper, we propose Unified Graph Transformer Networks (UGT) that effectively integrate local and global structural information into fixed-length vector representations.
Ranked #1 on Node Clustering on Actor
1 code implementation • 25 Apr 2023 • Thanh Sang Nguyen, Jooho Lee, Van Thuy Hoang, O-Joun Lee
Second, we introduce various graph representation learning models, ranging from shallow to deep graph embedding models.
1 code implementation • Sensors 2022 • Hyeon-Ju Jeon, Min-Woo Choi, O-Joun Lee
By comparing the proposed model with existing models, we also investigated the contributions of (i) the spatial adjacency of the stations, (ii) temporal changes in the meteorological variables, and (iii) the variety of variables to the forecasting performance.
Ranked #1 on Solar Irradiance Forecasting on ASOS Data
1 code implementation • Journal of Informetrics 2021 • O-Joun Lee, Hyeon-Ju Jeon, Jason J. Jung
This study aims at representing research patterns of bibliographic entities (e. g., scholars, papers, and venues) with a fixed-length vector.
Ranked #1 on Research Performance Prediction on AMiner
1 code implementation • Frontiers in Big Data 2019 • Hyeon-Ju Jeon, O-Joun Lee, Jason. J. Jung
Based on embedding the collaboration patterns, we have clustered scholars according to their collaboration styles.