8ος Πανελλήνιος Διαγωνισμός Ανοικτών Τεχνολογιών στην Εκπαίδευση
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Low-Cost, Open-Source Artificial Intelligence Models

The Green and Sovereign Choice for Greece and Europe Europe’s artificial intelligence strategy stands at a structural inflection point. Dependence on hyperscale cloud infrastructures located outside the European Union increases systemic vendor lock-in, geopolitical exposure, and regulatory vulnerability. Simultaneously, the accelerating energy consumption of large AI infrastructures threatens Europe’s sustainability commitments and long-term competitiveness. The … Read more

Artificial Intelligence and the Public Interest

Scientific Arguments Against Uncritical Deployment in the Public Sector Artificial Intelligence is frequently presented as a neutral instrument of modernization within public administration. Claims of efficiency and cost reduction dominate policy discourse. Yet a growing body of scientific research demonstrates that uncritical deployment of AI systems in public institutions poses structural risks to democratic governance, … Read more

From German Commons to Greek Commons

A policy case for Greek as a national and European language data infrastructure Large language models depend on vast amounts of text, but scale without legal clarity produces fragile systems. Datasets built on opaque web crawling cannot guarantee lawful reuse, redistribution, or long-term sustainability. The German Commons provides a clear alternative: 154.56 billion tokens of … Read more

Apertus AI: A Fully Open Multilingual LLM for Local and Customized Deployment

Apertus AI is one of the most transparent and technically mature efforts to build a fully open-source large language model. Developed in Switzerland and released together with its source code, training documentation and model weights, it offers an unprecedented level of reproducibility and independence from closed ecosystems. This makes it ideal for researchers, public-sector institutions … Read more

Building a Fully Open Greek LLM: A Three-Millennia Language Model Powered by Open Data Infrastructure

The rapid evolution of fully open large language models represents a transformative moment for countries that possess rich linguistic and cultural heritage. Over the past two years, the global AI community has shown that high-performance LLMs can be built openly, with transparent pipelines, published datasets and weights, and licenses that support both research and commercial … Read more

We are opening the WeatherXM cell modelling to the world

Our mission at WeatherXM is to create the largest decentralised weather station network. A significant challenge in this direction is how our weather stations should be distributed around the world. The challenging part has to do with Earth’s surface, which is not uniform (a good thing in so many other aspects of our life!). Each … Read more

Unlocking the Secrets of Oracle to PostgreSQL Migration, Scope & ROI

We would like to invite you to “Why and How to Switch from Oracle to PostgreSQL” webinar. If you’re considering a migration, this is your opportunity to get a strategic roadmap that helps you reduce Oracle costs and unlock the full potential of Postgres. In this session, you’ll learn how to: Presenters:Mostafa Zakaria, Sales Engineer … Read more

Open code for closed services: The Open Source paradox of the cloud

In recent years, several high-profile, single-vendor Open Source projects made the news by switching to more restrictive licenses. Some saw this as a manifestation of evil and greed, questioning the single-vendor model entirely; others interpreted it as a sign of the growing economic unsustainability of Open Source in the current market structure. Both arguments have … Read more

Meltemi, The first open-source Large Language Model for Greek

Large Language Models (LLMs) have revolutionized the field of AI, opening up new opportunities for research and industry applications. However, LLMs demonstrate impressive capabilities only in high-resource languages, in particular in English, while their performance varies substantially across different languages. Especially in the case of low-resourced languages, such as Greek, existing open-source LLMs are underperforming … Read more