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Fred Xu

2 accepted papers

2025

Uncertainty Estimation on Graphs with Structure Informed Stochastic Partial Differential Equations

NeurIPS 2025poster

Graph Neural Networks (GNNs) have achieved impressive results across diverse network modeling tasks, but accurately estimating uncertainty on graphs remains difficult—especially under distributional shifts. Unlike traditional uncertainty estimation, graph-based uncertainty must account for randomne…

Cited by 0SourceScholar
2024

FUSE: Measure-Theoretic Compact Fuzzy Set Representation for Taxonomy Expansion

ACL 2024findings

Taxonomy Expansion, which relies on modeling concepts and concept relations, can be formulated as a set representation learning task. The generalization of set, fuzzy set, incorporates uncertainty and measures the information within a semantic concept, making it suitable for concept modeling. Existi…

Cited by 4SourcePDFScholar