Publications

2025

  1. SIGMOD
    Styx: Transactional Stateful Functions on Streaming Dataflows
    Kyriakos Psarakis, George Christodoulou, George Siachamis, Marios Fragkoulis, and Asterios Katsifodimos
    2025
    1 Google Scholar citations
  2. CIDR
    Transactional Cloud Applications Go with the (Data)Flow
    Kyriakos Psarakis, George Christodoulou, Marios Fragkoulis, and Asterios Katsifodimos
    In 15th Annual Conference on Innovative Data Systems Research (CIDR), 2025
    0 Google Scholar citations
  3. SIGMOD Tutorial
    Transactional Cloud Applications: Status Quo, Challenges, and Opportunities
    Rodrigo Laigner, George Christodoulou, Kyriakos Psarakis, Asterios Katsifodimos, and Yongluan Zhou
    2025

2024

  1. EDBT Vision
    Stateful Entities: Object-oriented Cloud Applications as Distributed Dataflows
    Kyriakos Psarakis, Wouter Zorgdrager, Marios Fragkoulis, Guido Salvaneschi, and Asterios Katsifodimos
    In 27th International Conference on Extending Database Technology, 2024
    10 Google Scholar citations
  2. ICDE
    CheckMate: Evaluating Checkpointing Protocols for Streaming Dataflows
    George Siachamis, Kyriakos Psarakis, Marios Fragkoulis, Arie van Deursen, Paris Carbone, and Asterios Katsifodimos
    2024
    5 Google Scholar citations
  3. DEBS
    Evaluating Stream Processing Autoscalers
    George Siachamis, George Christodoulou, Kyriakos Psarakis, Marios Fragkoulis, Arie van Deursen, and Asterios Katsifodimos
    In Proceedings of the 18th ACM International Conference on Distributed and Event-Based Systems, Villeurbanne, France, 2024
    1 Google Scholar citations

2023

  1. CIDR Abstract
    Stateful Entities: Object-oriented Cloud Applications as Distributed Dataflows
    Kyriakos Psarakis, Wouter Zorgdrager, Marios Fragkoulis, Guido Salvaneschi, and Asterios Katsifodimos
    In 13th Annual Conference on Innovative Data Systems Research (CIDR), 2023
    10 Google Scholar citations
  2. EDBT 🏆 Best Demo
    Topio Marketplace: Search and Discovery of Geospatial Data
    Andra Ionescu, Alexandra Alexandridou, Leonidas Ikonomou, Kyriakos Psarakis, Kostas Patroumpas, Georgios Chatzigeorgakidis, Dimitrios Skoutas, Spiros Athanasiou, Rihan Hai, and Asterios Katsifodimos
    EDBT, 2023
    6 Google Scholar citations
  3. ICWE
    Topio: An Open-Source Web Platform for Trading Geospatial Data
    Andra Ionescu, Kostas Patroumpas, Kyriakos Psarakis, Georgios Chatzigeorgakidis, Diego Collarana, Kai Barenscher, Dimitrios Skoutas, Asterios Katsifodimos, and Spiros Athanasiou
    In Web Engineering, 2023
    1 Google Scholar citations
  4. DEBS
    Adaptive Distributed Streaming Similarity Joins
    George Siachamis, Kyriakos Psarakis, Marios Fragkoulis, Odysseas Papapetrou, Arie van Deursen, and Asterios Katsifodimos
    In Proceedings of the 17th ACM International Conference on Distributed and Event-Based Systems, Neuchatel, Switzerland, 2023
    3 Google Scholar citations

2022

  1. Information Systems Journal
    Transactions across serverless functions leveraging stateful dataflows
    Martijn de Heus, Kyriakos Psarakis, Marios Fragkoulis, and Asterios Katsifodimos
    Information Systems, 2022
    10 Google Scholar citations

2021

  1. DEBS 🏆 Best Paper
    Distributed Transactions on Serverless Stateful Functions
    Martijn de Heus, Kyriakos Psarakis, Marios Fragkoulis, and Asterios Katsifodimos
    In Proceedings of the 15th ACM International Conference on Distributed and Event-Based Systems, Virtual Event, Italy, 2021
    32 Google Scholar citations
  2. ICDE
    Valentine: Evaluating Matching Techniques for Dataset Discovery
    Christos Koutras, George Siachamis, Andra Ionescu, Kyriakos Psarakis, Jerry Brons, Marios Fragkoulis, Christoph Lofi, Angela Bonifati, and Asterios Katsifodimos
    In 2021 IEEE 37th International Conference on Data Engineering (ICDE), Apr 2021
    130 Google Scholar citations
  3. VLDB Demo
    Valentine in Action: Matching Tabular Data at Scale
    Christos Koutras, Kyriakos Psarakis, George Siachamis, Andra Ionescu, Marios Fragkoulis, Angela Bonifati, and Asterios Katsifodimos
    Proc. VLDB Endow., Oct 2021
    12 Google Scholar citations