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 Eli Baum on

Archimedes Talk by Eli Baum on "ORQ: Scaling Complex Multiparty Computations to Large Private Datasets"

16 April 2026

On Monday 4 May, 2026, from 1:00 pm to 2:30 pm, at the Archimedes Amphitheatre (1 Artemidos Street, 15125, Marousi, Archimedes, Athena Research Center, Greece), Eli Baum, a third-year Ph.D. student at  Boston University, USA, and a member of the BU CASP Systems Lab and the BU Security Group, will deliver an Archimedes talk on "ORQ: Scaling Complex Multiparty Computations to Large Private Datasets."

DialRes-LREC 2026 workshop: “Dialects in NLP: A Resource Perspective”

DialRes-LREC 2026 workshop: “Dialects in NLP: A Resource Perspective”

8 April 2026

Researchers from the Archimedes Unit of the Athena Research Center, Greece, together with the Athena Research Center team on Dialectal NLP, affiliated with the Institute for Language and Speech Processing, and in collaboration with researchers from George Mason University, are organizing the first edition of the DialRes-LREC 2026 workshop, “Dialects in NLP: A Resource Perspective”, to be held on 16 May 2026. More information is available here: https://dialres.github.io/dialres/index.html.

Antonis Anastasopoulos' Keynote Speech on

Antonis Anastasopoulos' Keynote Speech on "Machine Translation and Low-Resource NLP" from the Athens NLP 2025 Summer School is Now Available Online

2 April 2026

Antonis Athanassopoulos, an Assistant Professor at the Computer Science Department of George Mason University,USA, and a Lead Researcher at Archimedes, Athena Research Center, Greece, was one of the keynote speakers at the Athens NLP 2025 Summer School, held at the National Centre for Scientific Research Demokritos in Greece, from 4 to 10 September 2025.His presentation on "Machine Translation and Low-Resource NLP" is now available online.

Christos Papadimitriou Speaks on “Artificial Intelligence: its History, its Present, and its Uncertain Future”

Christos Papadimitriou Speaks on “Artificial Intelligence: its History, its Present, and its Uncertain Future”

24 March 2026

Christos Papadimitriou, Donovan Family Professor of Computer Science at Columbia Engineering at Columbia University, USA, and Principal Scientist at the Archimedes Research Unit of the Athena Research Center, Greece, spoke about “Artificial Intelligence: its History, its Present, and its Uncertain Future” during the ten-year anniversary event of diaNEOsis think tank, which took place on March 11, 2026, at the Stavros Niarchos Foundation Cultural Center (SNFCC).

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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