OODHG detects out-of-distribution nodes in heterogeneous graphs by propagating energy scores along meta-paths and classifying the remaining in-distribution nodes.
Inductive representation learning on large graphs
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Out-of-Distribution Detection in Heterogeneous Graphs via Energy Propagation
OODHG detects out-of-distribution nodes in heterogeneous graphs by propagating energy scores along meta-paths and classifying the remaining in-distribution nodes.