Search Results for author: Haoyun Wang

Found 6 papers, 2 papers with code

Online Detection Of Supply Chain Network Disruptions Using Sequential Change-Point Detection for Hawkes Processes

no code implementations22 Nov 2022 Khurram Yamin, Haoyun Wang, Benoit Montreuil, Yao Xie

In this paper, we attempt to detect an inflection or change-point resulting from the Covid-19 pandemic on supply chain data received from a large furniture company.

Change Point Detection

Neural Spectral Marked Point Processes

1 code implementation ICLR 2022 Shixiang Zhu, Haoyun Wang, Zheng Dong, Xiuyuan Cheng, Yao Xie

In this paper, we introduce a novel and general neural network-based non-stationary influence kernel with high expressiveness for handling complex discrete events data while providing theoretical performance guarantees.

Point Processes

Sequential change-point detection for mutually exciting point processes over networks

no code implementations10 Feb 2021 Haoyun Wang, Liyan Xie, Yao Xie, Alex Cuozzo, Simon Mak

We present a new CUSUM procedure for sequentially detecting change-point in the self and mutual exciting processes, a. k. a.

Change Detection Change Point Detection +1

Adaptive Algorithms for Multi-armed Bandit with Composite and Anonymous Feedback

no code implementations13 Dec 2020 Siwei Wang, Haoyun Wang, Longbo Huang

Existing results on this model require prior knowledge about the reward interval size as an input to their algorithms.

Uncertainty Quantification for Inferring Hawkes Networks

no code implementations NeurIPS 2020 Haoyun Wang, Liyan Xie, Alex Cuozzo, Simon Mak, Yao Xie

Multivariate Hawkes processes are commonly used to model streaming networked event data in a wide variety of applications.

Uncertainty Quantification

Musical Instrument Classification via Low-Dimensional Feature Vectors

2 code implementations16 Sep 2019 Zishuo Zhao, Haoyun Wang

Music is a mysterious language that conveys feeling and thoughts via different tones and timbre.

Classification General Classification

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