2 code implementations • 12 Mar 2023 • Xiaojun Guo, Yifei Wang, Tianqi Du, Yisen Wang
Instead of characterizing oversmoothing from the view of complete collapse in which representations converge to a single point, we dive into a more general perspective of dimensional collapse in which representations lie in a narrow cone.
Ranked #8 on Node Property Prediction on ogbn-arxiv
no code implementations • 29 Sep 2021 • Xiaojun Guo, Xingjun Ma, Yisen Wang
Many real-world problems can be formulated as graphs and solved by graph learning techniques.
no code implementations • MDPI 2019 • Peng Wu, Shaojing Su, Zhen Zuo *, Xiaojun Guo, Bei Sun and Xudong Wen
This paper proposes a hybrid firefly algorithm (hybrid‐FA) method, combining the weighted least squares (WLS) algorithm and FA, which can reduce computation as well as achieve high accuracy.