Robust Link Prediction over Noisy Hyper-Relational Knowledge Graphs via Active Learning

W Yu, J Yang, D Yang - Proceedings of the ACM on Web Conference …, 2024 - dl.acm.org
Modern Knowledge Graphs (KGs) are inevitably noisy due to the nature of their construction
process. Existing robust learning techniques for noisy KGs mostly focus on triple facts, where …

HyperCL: A Contrastive Learning Framework for Hyper-Relational Knowledge Graph Embedding with Hierarchical Ontology

Y Lu, W Yu, X Jing, D Yang - Findings of the Association for …, 2024 - aclanthology.org
Abstract Knowledge Graph (KG) embeddings are essential for link prediction over KGs.
Compared to triplets, hyper-relational facts consisting of a base triplet and an arbitrary …

HGOE: Hybrid External and Internal Graph Outlier Exposure for Graph Out-of-Distribution Detection

J He, Q Xu, Y Jiang, Z Wang, Y Sun… - arXiv preprint arXiv …, 2024 - arxiv.org
With the progressive advancements in deep graph learning, out-of-distribution (OOD)
detection for graph data has emerged as a critical challenge. While the efficacy of auxiliary …