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Yi-Zheng Zhao

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Open access Sep 2026

From Global Search to Local Lookup: Scalable Knowledge Base Completion via Differentiable Guarded Logic

State-of-the-art knowledge base completion models, ranging from geometric embeddings to GNNs, achieve impressive predictive performance but share a critical limitation: they act as black boxes that often ignore data consistency, producing predictions that violate rigorous ontological constraints. While neuro-symbolic...

Yi-Zheng Zhao · 0 citations
Book Open access Aug 2026

The Price of Fairness in Active Learning: Fundamental Limits and Optimal Label Acquisition

This work gives matching algorithms (ConstrainedERM-DP for DP, FairStratified for EO and EqOdds) that are tight up to logarithmic factors and gives matching algorithms that are tight up to logarithmic factors for fairness verification.

Chang Lu, Yi-Zheng Zhao · 0 citations
Book Open access Aug 2026

When Logic Meets Perception: Operator-Agnostic Differentiable Reasoning for Reliable Neural Prediction

The framework is operator-agnostic - it decouples logical structure from the choice of underlying continuous semantics, revealing, through the first controlled comparison of its kind, that this choice alone can swing performance by over 30 points on the same task.

Zi-Han Shao, Chang Lu, Renate A. Schmidt et al. · 0 citations

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