Search Results for author: Ulrik Brandes

Found 4 papers, 2 papers with code

GraphFramEx: Towards Systematic Evaluation of Explainability Methods for Graph Neural Networks

1 code implementation20 Jun 2022 Kenza Amara, Rex Ying, Zitao Zhang, Zhihao Han, Yinan Shan, Ulrik Brandes, Sebastian Schemm, Ce Zhang

As GNN models are deployed to more mission-critical applications, we are in dire need for a common evaluation protocol of explainability methods of GNNs.

Node Classification

Stochastic Gradient Descent Works Really Well for Stress Minimization

no code implementations24 Aug 2020 Katharina Börsig, Ulrik Brandes, Barna Pasztor

Stress minimization is among the best studied force-directed graph layout methods because it reliably yields high-quality layouts.

A Sparse Stress Model

1 code implementation31 Aug 2016 Mark Ortmann, Mirza Klimenta, Ulrik Brandes

Force-directed layout methods constitute the most common approach to draw general graphs.

Computational Geometry Data Structures and Algorithms

Link Prediction with Social Vector Clocks

no code implementations15 Apr 2013 Conrad Lee, Bobo Nick, Ulrik Brandes, Pádraig Cunningham

State-of-the-art link prediction utilizes combinations of complex features derived from network panel data.

Distributed Computing Link Prediction

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