Search Results for author: Jian Tan

Found 8 papers, 3 papers with code

OneShotSTL: One-Shot Seasonal-Trend Decomposition For Online Time Series Anomaly Detection And Forecasting

1 code implementation4 Apr 2023 Xiao He, Ye Li, Jian Tan, Bin Wu, Feifei Li

Extensive experiments on real-world benchmark datasets for downstream time series anomaly detection and forecasting tasks demonstrate that OneShotSTL is from 10 to over 1, 000 times faster than the state-of-the-art methods, while still providing comparable or even better accuracy.

Anomaly Detection Time Series +1

A Unified and Efficient Coordinating Framework for Autonomous DBMS Tuning

no code implementations10 Mar 2023 Xinyi Zhang, Zhuo Chang, Hong Wu, Yang Li, Jia Chen, Jian Tan, Feifei Li, Bin Cui

To tune different components for DBMS, a coordinating mechanism is needed to make the multiple agents cognizant of each other.

Thompson Sampling

Interactive Log Parsing via Light-weight User Feedback

no code implementations28 Jan 2023 Liming Wang, Hong Xie, Ye Li, Jian Tan, John C. S. Lui

Template mining is one of the foundational tasks to support log analysis, which supports the diagnosis and troubleshooting of large scale Web applications.

Log Parsing

LPC-AD: Fast and Accurate Multivariate Time Series Anomaly Detection via Latent Predictive Coding

no code implementations5 May 2022 Zhi Qi, Hong Xie, Ye Li, Jian Tan, Feifei Li, John C. S. Lui

LPC-AD is motivated by the ever-increasing needs for fast and accurate MTS anomaly detection methods to support fast troubleshooting in cloud computing, micro-service systems, etc.

Anomaly Detection Cloud Computing +2

CobBO: Coordinate Backoff Bayesian Optimization with Two-Stage Kernels

1 code implementation NeurIPS 2021 Jian Tan, Niv Nayman, Mengchang Wang

These virtual points, along with the means and variances of their unknown function values estimated using the simple kernel of the first stage, are fitted to a more sophisticated kernel model in the second stage.

Bayesian Optimization Computational Efficiency +1

Local Differential Privacy for Bayesian Optimization

no code implementations13 Oct 2020 Xingyu Zhou, Jian Tan

Motivated by the increasing concern about privacy in nowadays data-intensive online learning systems, we consider a black-box optimization in the nonparametric Gaussian process setting with local differential privacy (LDP) guarantee.

Bayesian Optimization

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