29 citations · 72 across the 10 of their papers we have counts for
13 papers
Deepfakes and Synthetic Media: Generation, Detection, and Governance
Alexandros Gazis, Efstathios Karypidis, Kleanthi Santamouri +3
Deepfakes, synthetic audiovisual content produced by deep generative models, have escalated into a critical threat across civilian and military domains, enabling identity fraud, di…
Energy Efficient AI-Enabled Wireless Sensor Networks for Mission Critical Environments: A Systematic Review across Smart Grid, AI, and Urban Infrastructure Applications
Alexandros Gazis, Valeri Mladenov, Kleanthi SantamourI +1
Advanced wireless sensor networks powered by artificial intelligence are increasingly required for applications demanding continuous monitoring, autonomous operation, reliable comm…
A Qualitative Comparative Study of Communication in Higher Distance Education
Vasileios Mellos, Petros Trantas, Kleanthi Santamouri +3
The rise of open and distance education has made it more important than ever to have communication tools that are simple, flexible, and good for helping students work together, tal…
Distance Learning and Multilingual Education: A Case Study of Challenges and Pedagogical Perspectives in the Greek Border Region
Ariadni Mandala, Alexandros Gazis, Theodoros Vavouras
In increasingly multicultural and multilingual societies, foreign language learning has become essential not only for communication but also for social cohesion and professional ad…
E-polis: Gamifying Sociological Surveys through Serious Games -- A Data Analysis Approach Applied to Multiple-Choice Question Responses Datasets
Alexandros Gazis, Eleftheria Katsiri
E-polis is a serious digital game designed to gamify sociological surveys studying young people's political opinions. In this platform game, players navigate a digital world, encou…
Knowledge representation and scalable abstract reasoning for simulated democracy in Unity
Eleftheria Katsiri, Alexandros Gazis, Angelos Protopapas
We present a novel form of scalable knowledge representation about agents in a simulated democracy, e-polis, where real users respond to social challenges associated with democrati…
Streamline Intelligent Crowd Monitoring with IoT Cloud Computing Middleware
Alexandros Gazis, Eleftheria Katsiri
This article introduces a novel middleware that utilizes cost-effective, low-power computing devices like Raspberry Pi to analyze data from wireless sensor networks (WSNs). It is d…
E-polis: A serious game for the gamification of sociological surveys
Alexandros Gazis, Eleftheria Katsiri
E-polis is a multi-platform serious game that gamifies a sociological survey for studying young people's opinions regarding their ideal society. The gameplay is based on a user nav…
Serious Games in Digital Gaming: A Comprehensive Review of Applications, Game Engines and Advancements
Alexandros Gazis, Eleftheria Katsiri
Serious games are defined as applied games that focus on the gamification of an experience (e.g., learning and training activities) and are not strictly for entertainment purposes.…
Comparison Analysis of Traditional Machine Learning and Deep Learning Techniques for Data and Image Classification
Efstathios Karypidis, Stylianos G. Mouslech, Kassiani Skoulariki +1
The purpose of the study is to analyse and compare the most common machine learning and deep learning techniques used for computer vision 2D object classification tasks. Firstly, w…
A Blockchain Cloud Computing Middleware for Academic Manuscript Submission
Alexandros Gazis, Giorgos Anagnostakis, Stavros Kourmpetis +1
One of the most important tasks in scientific publishing is the articles' evaluation via the editorial board and the reviewers' community. Additionally, in scientific publishing gr…
A Method for Counting, Tracking and Monitoring of Visitors with RFID sensors
Alexandros Gazis, Konstantinos Stamatis, Eleftheria Katsiri
This publication presents a method responsible for counting tracking and monitoring visitors inside a building. The site examined is Manos Hatzidakis' House, situated in Xanthi. Sp…
Crowd tracking and monitoring middleware via Map-Reduce
Alexandros Gazis, Eleftheria Katsiri
This paper presents the design, implementation, and operation of a novel distributed fault-tolerant middleware. It uses interconnected WSNs that implement the Map-Reduce paradigm,…