TSB-UAD: an end-to-end benchmark suite for univariate time-series anomaly detection

J Paparrizos, Y Kang, P Boniol, RS Tsay… - Proceedings of the …, 2022 - dl.acm.org
The detection of anomalies in time series has gained ample academic and industrial
attention. However, no comprehensive benchmark exists to evaluate time-series anomaly …

Volume under the surface: a new accuracy evaluation measure for time-series anomaly detection

J Paparrizos, P Boniol, T Palpanas, RS Tsay… - Proceedings of the …, 2022 - dl.acm.org
Anomaly detection (AD) is a fundamental task for time-series analytics with important
implications for the downstream performance of many applications. In contrast to other …

SAND: streaming subsequence anomaly detection

P Boniol, J Paparrizos, T Palpanas… - Proceedings of the VLDB …, 2021 - dl.acm.org
With the increasing demand for real-time analytics and decision making, anomaly detection
methods need to operate over streams of values and handle drifts in data distribution …

Series2graph: Graph-based subsequence anomaly detection for time series

P Boniol, T Palpanas - arXiv preprint arXiv:2207.12208, 2022 - arxiv.org
Subsequence anomaly detection in long sequences is an important problem with
applications in a wide range of domains. However, the approaches proposed so far in the …

Choose wisely: An extensive evaluation of model selection for anomaly detection in time series

E Sylligardos, P Boniol, J Paparrizos… - Proceedings of the …, 2023 - dl.acm.org
Anomaly detection is a fundamental task for time-series analytics with important implications
for the downstream performance of many applications. Despite increasing academic interest …

Return of the lernaean hydra: Experimental evaluation of data series approximate similarity search

K Echihabi, K Zoumpatianos, T Palpanas… - arXiv preprint arXiv …, 2020 - arxiv.org
Data series are a special type of multidimensional data present in numerous domains,
where similarity search is a key operation that has been extensively studied in the data …

Unsupervised and scalable subsequence anomaly detection in large data series

P Boniol, M Linardi, F Roncallo, T Palpanas, M Meftah… - The VLDB Journal, 2021 - Springer
Subsequence anomaly (or outlier) detection in long sequences is an important problem with
applications in a wide range of domains. However, the approaches that have been …

Matrix profile goes MAD: variable-length motif and discord discovery in data series

M Linardi, Y Zhu, T Palpanas, E Keogh - Data Mining and Knowledge …, 2020 - Springer
In the last 15 years, data series motif and discord discovery have emerged as two useful and
well-used primitives for data series mining, with applications to many domains, including …

Automated anomaly detection in large sequences

P Boniol, M Linardi, F Roncallo… - 2020 IEEE 36th …, 2020 - ieeexplore.ieee.org
Subsequence anomaly (or outlier) detection in long sequences is an important problem with
applications in a wide range of domains. However, current approaches have severe …

Towards observability data management at scale

S Karumuri, F Solleza, S Zdonik, N Tatbul - ACM Sigmod Record, 2021 - dl.acm.org
Observability has been gaining importance as a key capability in today's large-scale
software systems and services. Motivated by current experience in industry exemplified by …