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Time-Aware Robustness of Temporal Graph Neural Networks for Link Prediction (Extended Abstract)

Authors Marco Sälzer , Silvia Beddar-Wiesing

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Marco Sälzer
  • School of Electrical Engineering and Computer Science, University of Kassel, Germany
Silvia Beddar-Wiesing
  • School of Electrical Engineering and Computer Science, University of Kassel, Germany

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Marco Sälzer and Silvia Beddar-Wiesing. Time-Aware Robustness of Temporal Graph Neural Networks for Link Prediction (Extended Abstract). In 30th International Symposium on Temporal Representation and Reasoning (TIME 2023). Leibniz International Proceedings in Informatics (LIPIcs), Volume 278, pp. 19:1-19:3, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2023)


We present a first notion of a time-aware robustness property for Temporal Graph Neural Networks (TGNN), a recently popular framework for computing functions over continuous- or discrete-time graphs, motivated by recent work on time-aware attacks on TGNN used for link prediction tasks. Furthermore, we discuss promising verification approaches for the presented or similar safety properties and possible next steps in this direction of research.

Subject Classification

ACM Subject Classification
  • Computing methodologies → Neural networks
  • Security and privacy → Logic and verification
  • graph neural networks
  • temporal
  • verification


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