activity
20172023
most citedPitfalls of Graph Neural Network Evaluation

623 citations · 931 across the 9 of their papers we have counts for

collaborators

11 papers

cs.LG2023

Add and Thin: Diffusion for Temporal Point Processes

David Lüdke, Marin Biloš, Oleksandr Shchur +2

Autoregressive neural networks within the temporal point process (TPP) framework have become the standard for modeling continuous-time event data. Even though these models can expr…

cs.LG2023★ 20 cited

AutoGluon-TimeSeries: AutoML for Probabilistic Time Series Forecasting

Oleksandr Shchur, Caner Turkmen, Nick Erickson +4

We introduce AutoGluon-TimeSeries - an open-source AutoML library for probabilistic time series forecasting. Focused on ease of use and robustness, AutoGluon-TimeSeries enables use…

cs.LG2021★ 3 cited

Detecting Anomalous Event Sequences with Temporal Point Processes

Oleksandr Shchur, Ali Caner Türkmen, Tim Januschowski +2

Automatically detecting anomalies in event data can provide substantial value in domains such as healthcare, DevOps, and information security. In this paper, we frame the problem o…

cs.LG2021

Neural Temporal Point Processes: A Review

Oleksandr Shchur, Ali Caner Türkmen, Tim Januschowski +1

Temporal point processes (TPP) are probabilistic generative models for continuous-time event sequences. Neural TPPs combine the fundamental ideas from point process literature with…

cs.LG2020★ 6 cited

Fast and Flexible Temporal Point Processes with Triangular Maps

Oleksandr Shchur, Nicholas Gao, Marin Biloš +1

Temporal point process (TPP) models combined with recurrent neural networks provide a powerful framework for modeling continuous-time event data. While such models are flexible, th…

cs.LG2019★ 30 cited

Overlapping Community Detection with Graph Neural Networks

Oleksandr Shchur, Stephan Günnemann

Community detection is a fundamental problem in machine learning. While deep learning has shown great promise in many graphrelated tasks, developing neural models for community det…

cs.LG2019★ 22 cited

Intensity-Free Learning of Temporal Point Processes

Oleksandr Shchur, Marin Biloš, Stephan Günnemann

Temporal point processes are the dominant paradigm for modeling sequences of events happening at irregular intervals. The standard way of learning in such models is by estimating t…

cs.LG2018★ 623 cited

Pitfalls of Graph Neural Network Evaluation

Oleksandr Shchur, Maximilian Mumme, Aleksandar Bojchevski +1

Semi-supervised node classification in graphs is a fundamental problem in graph mining, and the recently proposed graph neural networks (GNNs) have achieved unparalleled results on…

cs.LG2018★ 36 cited

Dual-Primal Graph Convolutional Networks

Federico Monti, Oleksandr Shchur, Aleksandar Bojchevski +3

In recent years, there has been a surge of interest in developing deep learning methods for non-Euclidean structured data such as graphs. In this paper, we propose Dual-Primal Grap…

stat.ML2018★ 191 cited

NetGAN: Generating Graphs via Random Walks

Aleksandar Bojchevski, Oleksandr Shchur, Daniel Zügner +1

We propose NetGAN - the first implicit generative model for graphs able to mimic real-world networks. We pose the problem of graph generation as learning the distribution of biased…

stat.ML2017

Introduction to Tensor Decompositions and their Applications in Machine Learning

Stephan Rabanser, Oleksandr Shchur, Stephan Günnemann

Tensors are multidimensional arrays of numerical values and therefore generalize matrices to multiple dimensions. While tensors first emerged in the psychometrics community in the…