Publications

  • An open-source platform for Resilient Secure Digital Identities: The RECITALS project

    George Stamoulis, Dimitris Pavlou ,Konstantinos Chousos, Manolis Koubarakis, George Papadakis, Christina Papapostolou, Georgios Smaragdakis, Zekeriya Erkin, Roland Kromes, Themis Palpanas, Salima Benbernou, Mourad Ouziri, Adel Boubetra, Paulo Correia, João Pedro, Ioan Constantin, Laurentiu Coica, Marco Fisichella, Apoorva Upadhyaya, Harshvardhan Pandit, Kyriakos Dimitriou

    RuleML+RR’25: Companion Proceedings of the 9th International Joint Conference on Rules and Reasoning, September 22–24, 2025, Istanbul, Turkiye

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  • Provable Co-Owned Data Deletion with Zero-Residuals and Verifiability in Multi-Cloud Environment

    Marwan Adnan Darwish, Evangelia Anna Markatou, Georgios Smaragdakis

    EuroSec'25: The 18th European Workshop on Systems Security

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  • All that Glitters is not Gold: Uncovering Exposed Industrial Control Systems and Honeypots in the Wild

    Martin Mladenov, László Erdődi, Georgios Smaragdakis

    2025 IEEE 10th European Symposium on Security and Privacy (EuroS&P)

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  • Endless Subscriptions: Open RAN is Open to RIC E2 Subscription Denial of Service Attacks

    Felix Klement, Alessandro Brighente, Anup Kiran Bhattacharjee, Stefano Cecconello, Fernando Kuipers, Georgios Smaragdakis

    2025 IEEE 10th European Symposium on Security and Privacy (EuroS&P)

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  • Trust but Verify: An Assessment of Vulnerability Tagging Services

    Szu-Chun Huang, Harm Griffioen, Max van der Horst, Georgios Smaragdakis, Michel van Eeten, Yury Zhauniarovich

    34th USENIX Security Symposium (2025)

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  • Catch-22: Uncovering Compromised Hosts using SSH Public Keys

    Cristian Munteanu, Georgios Smaragdakis, Anja Feldmann, Tobias Fiebig

    34th USENIX Security Symposium (2025)

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  • Re-visiting Authorized Private Set Intersection: A New Privacy-Preserving Variant and Two Protocols

    Francesca Falzon, Evangelia Anna Markatou

    The 25th Privacy Enhancing Technologies Symposium (PETS 2025)

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  • Properties of Effective Information Anonymity Regulations

    Aloni Cohen, Micah Altman, Francesca Falzon, Evangelia Anna Markatou, Kobbi Nissim

    ACM Symposium on Computer Science and Law 2025

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  • Optimizing Differential Privacy in Federated Analytics under Known Input Distributions

    Ferran Alborch, Andreas Athanasiou, Pascal Reisert

    9th IEEE Computer Security Foundations Symposium (CSF 2026)

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  • Simple Now, Complex Later: The Questionable Efficacy of Diluting GDPR Article 30(5)

    Harshvardhan J. Pandit

    Annual Privacy Forum 2025

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  • Demo: Gryphon Digital Identity Management System with Hyperledger Fabric, Compatible with Decentralized Identifiers and Verifiable Credentials

    Alessandro Neri, Iulian Onea, Matei Pânzariu, Mihai Frânculescu, Roland Kromes, Zekeriya Erkin

    7th Conference on Blockchain Research & Applications for Innovative Networks and Services (BRAINS 2025)

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  • Advances in Time-Series Anomaly Detection: Algorithms, Benchmarks, and Evaluation Measures

    John Paparrizos, Paul Boniol, Qinghua Liu, Themis Palpanas

    ACM International Conference on AKnowledge Discovery and Data Mining (KDD 2025)

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  • NILMFormer: Non-Intrusive Load Monitoring that Accounts for Non-Stationarity

    Adrien Petralia, Philippe Charpentier, Youssef Kadhi, Themis Palpanas

    ACM International Conference on AKnowledge Discovery and Data Mining (KDD 2025)

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  • Subspace Collision: An Efficient and Accurate Framework for High-dimensional Approximate Nearest Neighbor Search

    Jiuqi Wei, Xiaodong Lee, Zhenyu Liao, Themis Palpanas, Botao Peng

    ACM SIG International conference on Management of Data / Principles of Database Systems (SIGMOD/PODS 2025)

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  • LeaFi: Data Series Indexes on Steroids with Learned Filters

    Qitong Wang, Ioana Ileana, Themis Palpanas

    ACM SIG International conference on Management of Data / Principles of Database Systems (SIGMOD/PODS 2025)

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  • Graph-Based Vector Search: An Experimental Evaluation of the State-of-the-Art

    Ilias Azizi, Karima Echihabi, Themis Palpanas

    ACM SIG International conference on Management of Data / Principles of Database Systems (SIGMOD/PODS 2025)

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  • Fast and Exact Similarity Search in Less than a Blink of an Eye

    Patrick Schäfer, Jakob Brand, Ulf Leser, Botao Peng, Themis Palpanas

    In IEEE International Conference on Data Engineering (ICDE2 025)

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  • DeviceScope: An Interactive App to Detect and Localize Appliance Patterns in Electricity Consumption Time Series

    Adrien Petralia, Paul Boniol, Philippe Charpentier, Themis Palpanas

    In IEEE International Conference on Data Engineering (ICDE 2025)

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  • Few Labels are All you Need: A Weakly Supervised Framework for Appliance Localization in Smart-Meter Series

    Adrien Petralia, Paul Boniol, Philippe Charpentier, Themis Palpanas

    In IEEE International Conference on Data Engineering (ICDE 2025)

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  • Graphint: Graph-Based Time Series Clustering Visualisation Tool

    Paul Boniol, Donato Tiano, Angela Bonifati, Themis Palpanas

    In IEEE International Conference on Data Engineering (ICDE 2025)

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  • User-Friendly Foundation Model Adapters for Multivariate Time Series Classification

    Romain Ilbert, Vasilii Feofanov, Malik Tiomoko, Ievgen Redko, Themis Palpanas

    IEEE 41st International Conference on Data Engineering Workshops (ICDEW 2025)

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  • Automated Data Quality Validation in an End-to-End GNN Framework

    Sijie Dong, Soror Sahri, Themis Palpanas, Qitong Wang

    In International Conference on Extending Database Technology (EDBT 2025)

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  • Protection against Source Inference Attacks in Federated Learning

    Andreas Athanasiou, Kangsoo Jung, Catuscia Palamidessi

    The Fourteenth International Conference on Learning Representations (ICLR 2026 )

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