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P. Feng

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Open access Oct 2026

Bi-DaR4D: a distance-adaptive quaternion embedding with bidirectional rotation for knowledge graph completion

Knowledge graph embedding (KGE) models encode entities and relations in continuous spaces, but existing translation-, rotation-, and quaternion-based methods still struggle to jointly represent relational directionality and semantic distance. We propose Bi-DaR4D, a quaternion embedding framework that combines bidirec...

Yu-Yu Dong, Ren-Jie Wang, P. Feng · 0 citations
Open access Jul 2026

HRE-LSC: A Hyper-Relational Data Enhancement Framework for Long Tail Distribution and Structural Consistency

The results indicate that the proposed framework effectively enhances the quality and structural consistency of generated hyper-relational data while mitigating the effects of long-tail distributions and pseudo-negative samples without requiring additional manual annotations.

Xinzhi Du, Yan Chen, Siqi Xu et al. · 0 citations

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