Search Results for author: Ziyu Ye

Found 7 papers, 3 papers with code

Efficient Online Decision Tree Learning with Active Feature Acquisition

no code implementations3 May 2023 Arman Rahbar, Ziyu Ye, Yuxin Chen, Morteza Haghir Chehreghani

Specifically, we employ a surrogate information acquisition function based on adaptive submodularity to actively query feature values with a minimal cost, while using a posterior sampling scheme to maintain a low regret for online prediction.

Medical Diagnosis

Towards provably efficient quantum algorithms for large-scale machine-learning models

no code implementations6 Mar 2023 Junyu Liu, Minzhao Liu, Jin-Peng Liu, Ziyu Ye, Yunfei Wang, Yuri Alexeev, Jens Eisert, Liang Jiang

Large machine learning models are revolutionary technologies of artificial intelligence whose bottlenecks include huge computational expenses, power, and time used both in the pre-training and fine-tuning process.

Understanding the Effect of Bias in Deep Anomaly Detection

1 code implementation16 May 2021 Ziyu Ye, Yuxin Chen, Haitao Zheng

We also provide an extensive empirical study on how a biased training anomaly set affects the anomaly score function and therefore the detection performance on different anomaly classes.

Anomaly Detection

Understanding Bias in Anomaly Detection: A Semi-Supervised View with PAC Guarantees

1 code implementation1 Jan 2021 Ziyu Ye, Yuxin Chen, Haitao Zheng

Given two different anomaly score functions, we formally define their difference in performance as the relative scoring bias of the anomaly detectors.

Semi-supervised Anomaly Detection Supervised Anomaly Detection +1

Comparison of Neural Network Architectures for Spectrum Sensing

no code implementations15 Jul 2019 Ziyu Ye, Andrew Gilman, Qihang Peng, Kelly Levick, Pamela Cosman, Larry Milstein

Given abundant training data and computational and memory resources, CNN, RNN, and BiRNN are shown to achieve similar performance.

speech-recognition Speech Recognition

A Neural Network Detector for Spectrum Sensing under Uncertainties

no code implementations15 Jul 2019 Ziyu Ye, Qihang Peng, Kelly Levick, Hui Rong, Andrew Gilman, Pamela Cosman, Larry Milstein

The result displays the neural network's potential in exploiting implicit and incomplete knowledge about the signal's structure.

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