archimedes-Artificial Intelligence, Data Science, Algorithms-greece

 
Artificial Intelligence
 
Data Science
 
Algorithms

20th Athens Colloquium on Algorithms and Complexity

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Date
2025-08-25
Venue
NTUA, Zografou campus, Athens, Greece
Website
https://www.corelab.ntua.gr/acac25/

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The Athens Colloquium on Algorithms and Complexity (ACAC) is an annual meeting in Athens aiming to bring together researchers working in all areas of the theory of algorithms and computational complexity. It serves as a lively forum for presenting research results that are in a preliminary stage or have been recently accepted / presented in some major conference. Contributions may appear, fully or partially, in informal electronic proceedings available only to the participants (subject to authors' approval). The language of the workshop is English.


Program


Duration: 2 days - August 25-26, 2025

Progam link: https://www.corelab.ntua.gr/acac25/#program

Place: National Technical University of Athens (NTUA) premises, Multimedia Amphitheater, Central Library Ground Floor, Zografou campus, Athens, Greece

 

Keynote Talks


Contributed Talks

 

Registration


There are no registration fees.

However, participants should register for administrative purposes, by filling the registration form no later than August 20, Wednesday.

 

Venue

The 20th Athens Colloquium on Algorithms and Complexity (ACAC) will take place at the Multimedia Amphitheater, Central Library Ground Floor, Zografos campus of the National Technical University of Athens (NTUA), Greece.

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You can arrive at the Central Library by various ways:

By public transport:

The easiest way is by taking the Blue Metro line (map) and getting off at the "ΚΑΤΕΧΑΚΗ" station. Then take the bus 242, get off at stop "ΘΥΡΩΡΕΙΟ" (you get off at the first stop inside the Campus) and walk 3 minutes towards the Central Library.

Another option is to take the bus 140 from the "ΚΑΤΕΧΑΚΗ" metro station and get off at stop "ΠΟΛΥΤΕΧΝΕΙΟΥΠΟΛΗ". Then get into the campus and walk 7 minutes towards the Central Library.

By taxi:

Taxi from the Katechaki ("ΚΑΤΕΧΑΚΗ") Station to NTUA will cost aproximately 7-10 €.

By car (or any other means):

Please use this google map to get directions to the conference venue.



Organizers


Organizing & Scientific Committee

  • Dimitris Fotakis
  • Nikos Leonardos
  • Evangelos Markakis
  • Aris Pagourtzis
  • Alkmini Sgouritsa
  • Stathis Zachos
  • Vassilis Zissimopoulos


Organization

  • Dimitris Lazarou
  • Giannis Pavlovic
  • Ioanna Protekdikou


Local Arrnagements

  • Antonis Antonopoulos
  • Pourandokht Behrouz
  • Sotiris Kanellopoulos
  • Christos Pergaminelis
  • Thanos Tolias


Co-Organizers

Archimedes, Athena Research Center, Greece
School of Electrical & Computer Engineering of the National Technical University of Athens (NTUA), Greece
Institute of Communication and Computer Systems of the National Technical University of Athens.

 

For any further details please contact the organizers by email to This email address is being protected from spambots. You need JavaScript enabled to view it..

 

 
 

Vision

To position Greece as a leading player in AI and Data Science

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Mission

To build an AI Excellence Hub in Greece where the international research community can connect, groundbreaking ideas can thrive, and the next generation of scientists emerges, shaping a brighter future for Greece and the world

 

Welcome to ARCHIMEDES, a vibrant research hub connecting the global AI and Data Science research community fostering groundbreaking research in Greece and beyond. Its dedicated core team, comprising lead researchers, affiliated researchers, Post-Docs, PhDs and interns, is committed to advancing basic and applied research in Artificial Intelligence and its supporting disciplines, including Algorithms, Statistics, Learning Theory, and Game Theory organized around 8 core research areas. By collaborating with Greek and Foreign Universities and Research Institutes, ARCHIMEDES disseminates its research findings fostering knowledge exchange and providing enriching opportunities for students. Leveraging AI to address real-world challenges, ARCHIMEDES promotes innovation within the Greek ecosystem and extends its societal impact. Established in January 2022, as a research unit of the Athena Research Center with support from the Committee Greece 2021, ARCHIMEDES is funded for its first four years by the EU Recovery and Resilience Facility (RRF).

 
 

NEWS

 
Archimedes Talk by Alexandra Meliou on

Archimedes Talk by Alexandra Meliou on "Data Analysis and Manipulation through a Constrained Optimization Lens"

22 October 2025

On Tuesday 4 November, 2025, from 1:00 pm to 2:00 pm, at the Archimedes Amphitheatre (1 Artemidos Street, 15125, Marousi, Archimedes, Athena Research Center, Greece), Professor Alexandra Meliou, Professor at the College of Information and Computer Sciences at the University of Massachusetts Amherst, USA, and a visiting researcher at the Archimedes Research Center, Athena Research Center, Greece, will deliver an Archimedes talk on "Data Analysis and Manipulation through a Constrained Optimization Lens."

Exploring the Frontiers of AI and Biomechanics at ICIST 2025

Exploring the Frontiers of AI and Biomechanics at ICIST 2025

20 October 2025

Archimedes, Athena Research Center, Greece is happy to see its work being featured at the 15th International Conference on Information Society and Technology (ICIST 2025), at Kaunas University of Technology, Lithuania, through an invited keynote speech by Dr. Serafeim Moustakidis, titled: “Bringing Biomechanics into the AI Era: A New Frontier for Gait and Joint Health.”

Archimedes Talk by Manos Athanassoulis on

Archimedes Talk by Manos Athanassoulis on "Harnessing the Untapped Benefits of Near-Sortedness for Data Systems"

14 October 2025

On Tuesday 21 October, 2025, from 1:00 pm to 2:00 pm, at the Archimedes Amphitheatre (1 Artemidos Street, 15125, Marousi, Archimedes, Athena Research Center, Greece), Professor Manos Athanassoulis, Associate Professor of Computer Science at Boston University (BU), USA, Director and Founder of the BU Data-intensive Systems and Computing Laboratory, BU, USA, and Co-Director of the BU Massive Data Algorithms and Systems Group, BU, USA, will deliver an Archimedes talk on "Harnessing the Untapped Benefits of Near-Sortedness for Data Systems."

GameSec 2025 just Around the Corner!

GameSec 2025 just Around the Corner!

9 October 2025

The 16th Conference on Game Theory and AI for Security (GameSec25), an event strongly supported by Archimedes, Athena Research Center, Greece will take place at the National Technical University of Athens, Greece from October 13-15 2025. "With the rapid advancement of artificial intelligence, game theory, and security technologies, the resilience and trustworthiness of modern systems is more critical than ever. The 2025 Conference on Game Theory and AI for Security focuses on leveraging strategic decision-making, adversarial reasoning, and computational intelligence to address security challenges in complex and dynamic environments.

11 Papers Accepted at NeurIPS 2025!

11 Papers Accepted at NeurIPS 2025!

7 October 2025

We are happy to announce that 11 papers from Archimedes, Athena Research Center, Greece, have been accepted at the Thirty-Ninth Annual Conference on Neural Information Processing Systems (NeurIPS 2025)!NeurIPS is a major annual event in the artificial intelligence and machine learning community and this year it will take place from December 2 to December 7 at the San Diego Convention Center, California, USA.

More news items here
 
 

The project “ARCHIMEDES Unit: Research in Artificial Intelligence, Data Science and Algorithms” with code OPS 5154714 is implemented by the National Recovery and Resilience Plan “Greece 2.0” and is funded by the European Union – NextGenerationEU.

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