A survey on unsupervised outlier detection in high‐dimensional numerical data

A Zimek, E Schubert, HP Kriegel - Statistical Analysis and Data …, 2012 - Wiley Online Library
High‐dimensional data in Euclidean space pose special challenges to data mining
algorithms. These challenges are often indiscriminately subsumed under the term 'curse of …

There and back again: Outlier detection between statistical reasoning and data mining algorithms

A Zimek, P Filzmoser - Wiley Interdisciplinary Reviews: Data …, 2018 - Wiley Online Library
Outlier detection has been a topic in statistics for centuries. Over mainly the last two
decades, there has been also an increasing interest in the database and data mining …

MS2OD: outlier detection using minimum spanning tree and medoid selection

J Li, J Li, C Wang, FJ Verbeek… - … Learning: Science and …, 2024 - iopscience.iop.org
As an essential task in data mining, outlier detection identifies abnormal patterns in
numerous applications, among which clustering-based outlier detection is one of the most …

Generative adversarial active learning for unsupervised outlier detection

Y Liu, Z Li, C Zhou, Y Jiang, J Sun… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Outlier detection is an important topic in machine learning and has been used in a wide
range of applications. In this paper, we approach outlier detection as a binary-classification …

A unified deep learning anomaly detection and classification approach for smart grid environments

I Siniosoglou, P Radoglou-Grammatikis… - … on Network and …, 2021 - ieeexplore.ieee.org
The interconnected and heterogeneous nature of the next-generation Electrical Grid (EG),
widely known as Smart Grid (SG), bring severe cybersecurity and privacy risks that can also …

Outlier detection using iterative adaptive mini-minimum spanning tree generation with applications on medical data

J Li, J Li, C Wang, FJ Verbeek, T Schultz… - Frontiers in Physiology, 2023 - frontiersin.org
As an important technique for data pre-processing, outlier detection plays a crucial role in
various real applications and has gained substantial attention, especially in medical fields …

Hierarchical density estimates for data clustering, visualization, and outlier detection

RJGB Campello, D Moulavi, A Zimek… - ACM Transactions on …, 2015 - dl.acm.org
An integrated framework for density-based cluster analysis, outlier detection, and data
visualization is introduced in this article. The main module consists of an algorithm to …

Big data cleaning based on mobile edge computing in industrial sensor-cloud

T Wang, H Ke, X Zheng, K Wang… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
With the advent of 5G, the industrial Internet of Things has developed rapidly. The industrial
sensor-cloud system (SCS) has also received widespread attention. In the future, a large …

Loda: Lightweight on-line detector of anomalies

T Pevný - Machine Learning, 2016 - Springer
In supervised learning it has been shown that a collection of weak classifiers can result in a
strong classifier with error rates similar to those of more sophisticated methods. In …

Ensembles for unsupervised outlier detection: challenges and research questions a position paper

A Zimek, RJGB Campello, J Sander - Acm Sigkdd Explorations …, 2014 - dl.acm.org
Ensembles for unsupervised outlier detection is an emerging topic that has been neglected
for a surprisingly long time (although there are reasons why this is more difficult than …