29-30 MAY
ATHENS, GREECE
A Summit on Next- Generation Data & AI Systems
This first instalment of the ORS aims to bring together leading Greek researchers (both from Greece and abroad) in the areas of Big Data, Systems, and Machine Learning/Artificial Intelligence to discuss key research challenges and foster new collaborative efforts, thereby driving technological innovation and breakthroughs.
Organized by

Sponsored by

Become a sponsor
Agenda
28 May, 18:00–20:00:
Join us for welcome drinks at the Pre-Event.
8:45 – 9:15
Registration
9:15 – 9:30 (** PLENARY **)
Welcome
9:30 – 10:30 (** PLENARY **)
Keynote: Machine Unlearning: An Emerging Fundamental Component of ML Pipelines — Peter Triantafillou (U. Warwick)
10:30 – 11:00
Coffee break
Session #1: Database Management Systems – Storage and indexing
11:00 – 12:30
- The New Memory Wall and how it changes database system design — Anastasia Ailamaki (EPFL)
-
Building Robust Data Stores: A Use-case on LSM Trees — Manos Athanassoulis (Boston U)
-
In-memory access methods for multidimensional data — Nikos Mamoulis (U. of Ioannina)
12:30 – 14:00
Lunch
Session #2: Data Security/Privacy and Data Quality
14:00 – 15:30
- DeepProve: Fast and Scalable Verifiable Inference for AI Models — Charalampos Papamanthou (Yale U.)
-
Advancing Confidential Computing: Scalable Oblivious Computation for Next-Generation Private Systems, Databases, and AI — Ioannis Demertzis (UC Santa Cruz)
-
Sustainability goes through Data Reduction — Yannis Velegrakis (Utrecht U.)
15:30 – 16:00
Coffe Break
Session #3: Data & AI Founder Stories
16:00 – 17:00
- From Data Management to AI and from Athens to Silicon Valley — Constantinos Venetsanopoulos (Arrikto & HP)
-
AI Accelerators on Cloud and on Edge: Which one is the right one — Christoforos Kachris (InAccel and U West Attica)
18:00
Buses leave for Acropolis Secret Restaurant
19:00 – 21:30
Dinner at Acropolis Secret Restaurant
9:00 – 10:00 (** PLENARY **)
Keynote: Next-generation AI-integrated cloud-native databases — Nikos Ntarmos (Huawei ERC)
10:00 – 10:30
Coffee break
Session #4: Machine Learning and Analytics – Graphs, Time-Series, Graphics
10:30 – 12:30
- Fairness, Explainability and Their Interplay – Graph Analytics — Evi Pitoura (U. of Ioannina)
- Next Generation of Big Multi-Dimensional Data Analytics — John Paparrizos (Ohio State U.)
Scalable Vector Analysis: A Story of Twists and Turns — Themis Palpanas (U. Paris Cite)
Towards 4D-aware generative models: Creating dynamic, Interactive 3D worlds with generative AI — Evangelos Kalogerakis (TU Crete and UMass Amherst)
12:30 – 14:00
Lunch
Session #5: Adaptive Data Systems and Stream Processing
14:00 – 15:00
- Towards adaptive and resource-efficient data stream processing systems — Vasiliki Kalavri (Boston U.)
Supporting complex analytics on fast-paced data streams: sketches to the rescue — Odysseas Papapetrou (TU Eindhoven)
15:00 – 15:30
Coffe Break
15:30 – 17:00 (** PLENARY **)
Panel discussion – TBD
17:00 – 17:30
Future of Database Competition Awards Ceremony & Closing
18:30 – 21:00
Dinner at Divani Apollo Restaurant (by the pool)
Speakers

Anastasia Ailamaki
EPFL, RAW Labs SA
The New Memory Wall and how it changes database system design
Manos Athanassoulis
Boston University, Data-intensive Systems and Computing Laboratory
Building Robust Data Stores: A Use-case on LSM Trees.
Ioannis Demertzis
Univ. of California-Santa Cruz
Advancing Confidential Computing: Scalable Oblivious Computation for Next-Generation Private Systems, Databases, and AI
Christoforos Kachris
Univ. of West Attica, InAccel
AI accelerators on Cloud and on Edge: Which one is the right one
Vasiliki Kalavri
Boston University, Complex Analytics and Scalable Processing Systems Lab
Towards adaptive and resource-efficient data stream processing systems.
Evangelos Kalogerakis
TU Crete, Umass-Amherst
Towards 4D-Aware Generative Models: Creating Dynamic, Interactive 3D Worlds with Generative AI.
Nikos Mamoulis
University of Ioannina, ATHENA Research Center
In-memory access methods for multidimensional data.
Nikos Ntarmos
University of Glasgow, Huawei Technologies
Next-generation AI-integrated cloud-native databases
Themis Palpanas
Universite Paris Cite, French University Institute
Scalable Vector Analytics: A Story of Twists and Turns.
Charalampos Papamanthou
Yale University, Lagrange Labs
DeepProve: Fast & Scalable Verifiable Inference for AI Models .
Odysseas Papapetrou
TU Eindhoven
Supporting complex analytics on fast-paced data streams: sketches to the rescue.
John Paparrizos
Ohio State University, DATUM Lab
Next-Generation of Big Multi-Dimensional Data Analytics.
Evaggelia Pitoura
University of Ioannina, ATHENA Research Center
Fairness, Explainability and Their Interplay – Graph Analytics.
Peter Triantafillou
University of Warwick
Machine Unlearning: An Emerging Fundamental Component of ML Pipelines.
Yannis Velegrakis
Utrecht University, Data Intensive Systems Group
Sustainability goes through Data Reduction
Constantinos Venetsanopoulos
Arrikto MLOps, Hewlett Packard Enterprise
From Data Management to AI and from Athens to Silicon Valley.Organization

Minos Garofalakis
IMSI, Athena Research Center

Eleni Sotiropoulou
Athena Research Center
Venue
Divani Apollon Palace & Thalasso
A luxury seafront hotel on Athens’ Riviera, featuring sea-view rooms, a premier spa, private beach, and modern conference facilities — offering an island-like escape just minutes from the city.