no code implementations • 9 May 2025 • Seongjin Choi, Gahee Kim, Yong-Geun Oh
HNSD operates via normalized degree zero sheaf Laplacians over symmetric simplicial sets, resolving orientation ambiguity and adjacency sparsity inherent to hypergraph learning.
no code implementations • 23 Aug 2024 • Jihwan Oh, Sungnyun Kim, Gahee Kim, Sunghwan Kim, Se-Young Yun
Offline multi-agent reinforcement learning (MARL) is increasingly recognized as crucial for effectively deploying RL algorithms in environments where real-time interaction is impractical, risky, or costly.
1 code implementation • 11 Oct 2023 • Seonghyun Park, Narae Ryu, Gahee Kim, Dongyeop Woo, Se-Young Yun, Sungsoo Ahn
In this work, we propose to resolve such a redundancy issue via the non-backtracking graph neural network (NBA-GNN) that updates a message without incorporating the message from the previously visited node.
no code implementations • 7 Apr 2023 • Gahee Kim, Minwoo Jeon, Hyun Do Choi, Jun Ki Cho, Youn-Suk Choi, Hyoseok Hwang
The proposed system is a combination of a device that uses a background image and a method for estimating the dissolution and particle presence by changing the background image.