Author

Wen-Jun Qiu

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#artificial intelligence Preprint Sep 2026

Let the Neurons Die: Exploiting ReLU-Induced Model Degradation

Rectified linear unit (ReLU) networks can suffer from dying neurons, where units with persistently negative pre-activations produce zero outputs, blocking gradients through their activations. To exploit this failure mode, we present three training-time availability attacks based on data ordering and poisoning. We begin...

Ke-Xin Li, Wen-Jun Qiu, Joshua Abraham et al. · 0 citations

#machine learning Aug 2020

Calpric: Inclusive and Fine-grain Labeling of Privacy Policies with Crowdsourcing and Active Learning

Calpric, which combines automatic text selection and segmentation, active learning and the use of crowdsourced annotators to generate a large, balanced training set for privacy policies at low cost, and produces models that are accurate over a wider range of data categories, and provide more detailed, fine-grain labels...

Wen-Jun Qiu, David Lie, Lisa M. Austin · USENIX Security Symposium · 6 citations