Οι επιδημιολογικές μελέτες είναι ένα απο τα σημαντικοτερα εργαλεία που χρησιμοποιούνται σήμερα στην έρευνα της (βιο)ιατρικής επιστήμης. Οι μεγάλης έκτασης επιδημιολογικές μελέτες που περιλαμβάνουν ένα μεγάλο αριθμό ...

In this work, we aim to compare and report the performance between relational and non-relational database systems in text retrieval, and more speci cally in full-text search. This comparative study is focused on the ...

Vector languages such as MATLAB have become popular for many years in prototyping algorithms in various domains. Many of these applications whose subtasks have diverse execution requirements, often employ distributed, ...

This master thesis explores the application of Deep Metric Learning (DML) in the context of audio data representations. DML is a technique that leverages deep neural networks to automatically learn hierarchical representations ...

This thesis explores the critical role of deep space communication systems and technologies in enabling successful space exploration and scientific discovery. In addition, this work contributes to the understanding of ...

The Sun’s surface is very dynamic, even on periods of weak solar activity, producing a variety of magnetic structures, amongst them structures that can cause plasma to exhibit vortex-like motions. These so-called solar ...

Job advert aggregators gather millions of adverts every single day, by scraping job boards and various other sources across the globe. Aggregators are getting visited by millions of active job seekers every day, that ...

Air pollution and air quality are major issues concerning a big part of Earth’s population. In order to address these issues, among others, a global agenda called “Sustainable Development Goals “was established. Under ...

The purpose of this present work is to develop the nature of space entrepreneurship and to evaluate its potential with the application of innovation in space. At the beginning of our analysis we studied the financial ...

The aim of this thesis is to study the subject of flood mapping utilizing images captured from satellites and machine learning algorithms. Since the rise of ESA's Copernicus program and the consecutive Sentinel satellites ...