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Neural Temporal Walks: Motif-Aware Representation Learning on Continuous-Time Dynamic Graphs

NeurIPS 2022 · Graph learning › Knowledge and temporal graphs · approach: Temporal graph neural architectures · 53 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add temporal-biased sampling probability (ablation)NeurTWs · CollegeMsg inductiveAUC: 0.918 -> 0.958Helped
add temporal-biased sampling probability (ablation)NeurTWs · Taobao inductiveAUC: 0.932 -> 0.938No clear effect
add spatial-biased (degree) sampling probability (ablation)NeurTWs · CollegeMsg inductiveAUC: 0.949 -> 0.958No clear effect
add spatial-biased (degree) sampling probability (ablation)NeurTWs · Taobao inductiveAUC: 0.915 -> 0.938Helped
add exploitation-exploration trade-off probability (ablation)NeurTWs · Taobao inductiveAUC: 0.926 -> 0.938Helped
add exploitation-exploration trade-off probability (ablation)NeurTWs · CollegeMsg inductiveAUC: 0.957 -> 0.958No clear effect
add continuous evolution (ODE) in walk encoding (ablation)NeurTWs · CollegeMsg inductiveAUC: 0.868 -> 0.958Helped
add continuous evolution (ODE) in walk encoding (ablation)NeurTWs · Taobao inductiveAUC: 0.860 -> 0.938Helped
use contrastive loss instead of binary cross entropy (ablation)NeurTWs · CollegeMsg inductiveAUC: 0.954 -> 0.958Helped
use contrastive loss instead of binary cross entropy (ablation)NeurTWs · Taobao inductiveAUC: 0.935 -> 0.938No clear effect
binary instead of unitary anonymizationNeurTWs · Transductive link predictionAUC: 0.9526 -> 0.9750 (CollegeMsg); 0.9100 -> 0.8911 (Taobao)Mixed

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