How does GraphMETRO's alignment mechanism influence performance on out-of-distribution graph data
Description
Bayesian neural networks (BNNs) promise improved generalization under covariate shift by providing principled probabilistic representations of epistemic uncertainty. However, weight-based BNNs often struggle with high computational complexity of large-scale architectures and datasets. Node-based BNNs have recently been introduced as scalable alternatives, which induce epistemic uncertainty by multiplying each hidden node with latent random variables, while learning a point-estimate of the weights. In this paper, we interpret these latent noise variables as implicit representations of simple an
Research goal: How does GraphMETRO's alignment mechanism influence performance on out-of-distribution graph data
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