Research

My work focuses on time series anomaly detection and model selection for machine learning. I'm particularly interested in making anomaly detection practical at scale: figuring out which model to use, when, and why.

Time Series Anomaly DetectionModel Selection for Machine LearningBenchmarking and EvaluationData-Intensive Systems

Publications

2027

  • Accurate or Interpretable? Both! Joining Accuracy and Interpretability Evaluation Measures for Time Series Anomaly Detection

    Doan, T. T. H., Sylligardos, E., et al.

    VLDB 2027Under review
  • Breaking the Model Selection Barrier? Three Learning Paradigms for Supervised Ensembling in Time Series Anomaly Detection

    Rozzio, A., Sylligardos, E., Boniol, P.

    ICLR 2027Under review
  • Toward a Scalable and Adaptive Evaluation Measure for Time Series Anomaly Detection

    Sylligardos, E., Huang, M., Paparrizos, J., Senellart, P., Boniol, P.

    ICDE 2027In preparation
  • Pyxida: What Do Time Series Anomaly Detection Benchmarks Really Say?

    Sylligardos, E., Stanzione, R., Paparrizos, J., Senellart, P., Boniol, P.

    ICDE Demo 2027In preparation
  • AutoVUS

    Sylligardos, E., Huang, M., Paparrizos, J., Senellart, P., Boniol, P.

    ICDE Demo 2027In preparation

2025

2024

Research Experience

Research Intern

Aristotle University of Thessaloniki

Host supervisor: Prof. John Paparrizos

April 2026 – July 2026

Associate Researcher

Data Intensive and Knowledge Oriented Systems (diNo) group · Université Paris Cité

Supervisors: Prof. Themis Palpanas, Prof. Paul Boniol

September 2022 – February 2023

Postgraduate Research Engineer

Computational Vision and Robotics Laboratory (CVRL) · ICS, FORTH

Supervisor: Prof. Panos Trahanias

September 2021 – September 2023

Undergraduate Research Fellow

Computational Vision and Robotics Laboratory (CVRL) · ICS, FORTH

Supervisors: Prof. Panos Trahanias, Dr. Markos Sigalas

February 2020 – June 2021

Undergraduate Research Student

Laboratory of Energy and Photovoltaic Systems (LEPS) · TEI of Crete

Supervisors: Er. Pantelis Sylligardos, Prof. Fotis Mavromatakis

June 2019 – June 2020

Talks

  • 2025-12Interpretable Multivariate Anomaly Detector Selection for Automatic Marine Data Quality ControlIEEE Big Data 2025, Macao
  • 2025-11Fast or Accurate? Rethinking Time Series Anomaly DetectionBDA 2025 PhD Workshop, Toulouse
  • 2025-09Fast or Accurate? Rethinking Time Series Anomaly DetectionVLDB 2025 PhD Workshop, London (talk and poster)
  • 2025-05PhD research overviewPhD students seminar, Withings, Paris
  • 2025-04VUS: Effective and Efficient Accuracy Measures for Time-Series Anomaly DetectionValda team seminar, ENS Paris
  • 2024-11PhD topic presentationPhD Pizza seminar, Inria