T-GRAB, a set of three synthetic temporal-graph tasks, shows that no current TGNN reliably does counting, delayed cause-effect, or long-range spatio-temporal reasoning.
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T-GRAB: A Synthetic Diagnostic Benchmark for Learning on Temporal Graphs
T-GRAB, a set of three synthetic temporal-graph tasks, shows that no current TGNN reliably does counting, delayed cause-effect, or long-range spatio-temporal reasoning.