Search Results for author: Dekai Zhang

Found 3 papers, 2 papers with code

Contestable AI needs Computational Argumentation

no code implementations17 May 2024 Francesco Leofante, Hamed Ayoobi, Adam Dejl, Gabriel Freedman, Deniz Gorur, Junqi Jiang, Guilherme Paulino-Passos, Antonio Rago, Anna Rapberger, Fabrizio Russo, Xiang Yin, Dekai Zhang, Francesca Toni

AI has become pervasive in recent years, but state-of-the-art approaches predominantly neglect the need for AI systems to be contestable.

Targeted Activation Penalties Help CNNs Ignore Spurious Signals

1 code implementation22 Sep 2023 Dekai Zhang, Matthew Williams, Francesca Toni

Recent methods tackle this problem by training NNs with additional ground-truth annotations of such signals.

A Federated Cox Model with Non-Proportional Hazards

1 code implementation11 Jul 2022 Dekai Zhang, Francesca Toni, Matthew Williams

Recent research has shown the potential for neural networks to improve upon classical survival models such as the Cox model, which is widely used in clinical practice.

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