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20212026
most citedCalibrated One-class Classification for Unsupervised Time Series Anomaly Detection

17 citations · 46 across the 9 of their papers we have counts for

collaborators

9 papers

cs.LG2026

IMPACT: Influence Modeling for Open-Set Time Series Anomaly Detection

Xiaohui Zhou, Yijie Wang, Hongzuo Xu +3

Open-set anomaly detection (OSAD) is an emerging paradigm designed to utilize limited labeled data from anomaly classes seen in training to identify both seen and unseen anomalies…

cs.LG2023

RoSAS: Deep Semi-Supervised Anomaly Detection with Contamination-Resilient Continuous Supervision

Hongzuo Xu, Yijie Wang, Guansong Pang +3

Semi-supervised anomaly detection methods leverage a few anomaly examples to yield drastically improved performance compared to unsupervised models. However, they still suffer from…

cs.LG2023★ 6 cited

Fascinating Supervisory Signals and Where to Find Them: Deep Anomaly Detection with Scale Learning

Hongzuo Xu, Yijie Wang, Juhui Wei +3

Due to the unsupervised nature of anomaly detection, the key to fueling deep models is finding supervisory signals. Different from current reconstruction-guided generative models a…

cs.LG2022★ 17 cited

Calibrated One-class Classification for Unsupervised Time Series Anomaly Detection

Hongzuo Xu, Yijie Wang, Songlei Jian +3

Time series anomaly detection is instrumental in maintaining system availability in various domains. Current work in this research line mainly focuses on learning data normality de…

math.OC2022

Distributionally Robust Observable Strategic Queues

Yijie Wang, Madhushini Narayana Prasad, Grani A. Hanasusanto +1

This paper presents an extension of Naor's analysis on the join-or-balk problem in observable M/M/1 queues. While all other Markovian assumptions still hold, we explore this proble…

math.OC2022

Provable Constrained Stochastic Convex Optimization with XOR-Projected Gradient Descent

Fan Ding, Yijie Wang, Jianzhu Ma +1

Provably solving stochastic convex optimization problems with constraints is essential for various problems in science, business, and statistics. Recently proposed XOR-Stochastic G…

math.OC2021★ 11 cited

On Data-Driven Prescriptive Analytics with Side Information: A Regularized Nadaraya-Watson Approach

Prateek R. Srivastava, Yijie Wang, Grani A. Hanasusanto +1

We consider generic stochastic optimization problems in the presence of side information which enables a more insightful decision. The side information constitutes observable exoge…

cs.LG2021★ 7 cited

DRAM Failure Prediction in AIOps: Empirical Evaluation, Challenges and Opportunities

Zhiyue Wu, Hongzuo Xu, Guansong Pang +4

DRAM failure prediction is a vital task in AIOps, which is crucial to maintain the reliability and sustainable service of large-scale data centers. However, limited work has been d…

cs.LG2021★ 5 cited

Wasserstein Robust Classification with Fairness Constraints

Yijie Wang, Viet Anh Nguyen, Grani A. Hanasusanto

We propose a distributionally robust classification model with a fairness constraint that encourages the classifier to be fair in view of the equality of opportunity criterion. We…