Search Results for author: Fanchen Bu

Found 6 papers, 4 papers with code

Robust Graph Clustering via Meta Weighting for Noisy Graphs

1 code implementation1 Nov 2023 Hyeonsoo Jo, Fanchen Bu, Kijung Shin

We add a learnable weight to each node pair, and MetaGC adaptively adjusts the weights of node pairs using meta-weighting so that the weights of meaningful node pairs increase and the weights of less-meaningful ones (e. g., noise edges) decrease.

Clustering Denoising +1

Towards Deep Attention in Graph Neural Networks: Problems and Remedies

1 code implementation4 Jun 2023 Soo Yong Lee, Fanchen Bu, Jaemin Yoo, Kijung Shin

AERO-GNN provably mitigates the proposed problems of deep graph attention, which is further empirically demonstrated with (a) its adaptive and less smooth attention functions and (b) higher performance at deep layers (up to 64).

Deep Attention Graph Attention +1

Feedback Gradient Descent: Efficient and Stable Optimization with Orthogonality for DNNs

1 code implementation12 May 2022 Fanchen Bu, Dong Eui Chang

In particular, inspired by a numerical integration method on manifolds called Feedback Integrators, we propose to instantiate it on the tangent bundle of the Stiefel manifold for the first time.

Computational Efficiency Image Classification +2

Double Prioritized State Recycled Experience Replay

no code implementations8 Jul 2020 Fanchen Bu, Dong Eui Chang

Experience replay enables online reinforcement learning agents to store and reuse the previous experiences of interacting with the environment.

Atari Games

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