A Service Oriented Standardised System for Virtual Private Networks. - Hera Antonopoulou; Kostas Giotopoulos; Spiros Likothanassis; Athanasios K. Tsakalidis; Nikos Bogonikolos; Bill Vassiliadis (AICCSA, 2001)

Managing Risk in Extended Enterprises. - Bill Vassiliadis; Athanasios K. Tsakalidis; Kostas Giotopoulos; Spiros Likothanassis; Nikos Bogonikolos; P. Gatomatis; K. Platikostas (ICEIS (2), 2001)

On distributed information retrieval in virtual enterprises. - Kostas Giotopoulos; Bill Vassiliadis; Nikos Bogonikolos; Athanasios K. Tsakalidis; Spiros D. Likothanassis (SMC, 2001)

Cultural heritage in regional networks - enabling e-business activities for cultural heritage organizations. - Nikos Bogonikolos; Manos J. Georgoudakis; Kostas Giotopoulos (DSP, 2002)

Adaptive E-Learning Grid Platform. - Nikos Bogonikolos; M. Chrysostalis; Kostas Giotopoulos; Spiros Likothanassis; Konstantinos Votis (LeGE-WG 1, 2002)

An Evolutionary Computation Technique for User Profile Optimization. - Spiridon D. Likothanassis; Grigorios N. Beligiannis; Dimitris Fotakis 001; Dimitris Fragoudis; Konstantinos C. Giotopoulos (Int. J. Comput. Their Appl., 2003)

Application Service Provision through the Grid: Business models and Architectures. - Bill Vassiliadis; Kostas Giotopoulos; Konstantinos Votis; Spyros Sioutas; Nikos Bogonikolos; Spiros Likothanassis (ITCC (1), 2004)

The Grid as an Application Service Provision enabler: Business and Architectural issues. - Bill Vassiliadis; Kostas Giotopoulos; Konstantinos Votis; Spiros Likothanassis; Nikos Bogonikolos; Athanasios K. Tsakalidis (J. Digit. Inf. Manag., 2004)

Integrating Agents and Computational Intelligence Techniques in E-learning Environments. - Konstantinos C. Giotopoulos; Christos E. Alexakos; Grigorios N. Beligiannis; Spiridon D. Likothanassis (IEC (Prague), 2005)

An Ontological Service Oriented and Web Searching Mechanism in Distributed e-learning Repositories. - Konstantinos Votis; Christos Alexakos; Kostas Giotopoulos; Spiridon D. Likothanassis (ICALT, 2006)

Bringing AI to E-learning: The Case of a Modular, Highly Adaptive System. - Konstantinos C. Giotopoulos; Christos Alexakos; Grigorios N. Beligiannis; Antonia Stefani (Int. J. Inf. Commun. Technol. Educ., 2010)

Mining Student Learning Behavior and Self-assessment for Adaptive Learning Management System. - Konstantina Moutafi; Paraskevi Vergeti; Christos Alexakos; Christos M. Dimitrakopoulos; Konstantinos C. Giotopoulos; Hera Antonopoulou; Spiros Likothanassis (EANN (2), 2013)

Incremental Learning for Large Scale Classification Systems. - Athanasios Alexopoulos; Andreas Kanavos; Konstantinos C. Giotopoulos; Alaa Mohasseb; Mohamed Bader-El-Den; Athanasios K. Tsakalidis (AIAI (Workshops), 2018)

Performance Evaluation of an SSL Algorithm for Forecasting the Dow Jones Index Stocks. - Ioannis E. Livieris; Andreas Kanavos; Gerasimos Vonitsanos; Niki Kiriakidou; Anastasios Vikatos; Konstantinos C. Giotopoulos; Vassilis Tampakas (IISA, 2018)

An Apache Spark implementation for graph-based hashtag sentiment classification on Twitter. - Elias Dritsas; Ioannis E. Livieris; Konstantinos C. Giotopoulos; Leonidas Theodorakopoulos (PCI, 2018)

Unsupervised Discovery Of Semantically Aware Communities With Tensor Kruskal Decomposition: A Case Study In Twitter. - Georgios Drakopoulos; Konstantinos C. Giotopoulos; Ioanna Giannoukou; Spyros Sioutas (SMAP, 2020)

Neuro-Fuzzy Employee Ranking System in the Public Sector. - Dimitrios Michalopoulos; Aristeidis Karras; Christos N. Karras; Spyros Sioutas; Konstantinos C. Giotopoulos (FSDM, 2022)

Download Speed Optimization in P2P Networks Using Decision Making and Adaptive Learning. - Aristeidis Karras; Christos N. Karras; Konstantinos C. Giotopoulos; Ioanna Giannoukou; Dimitrios Tsolis; Spyros Sioutas (ICR, 2022)

On Autonomous Drone Navigation Using Deep Learning and an Intelligent Rainbow DQN Agent. - Andreas Karatzas; Aristeidis Karras; Christos N. Karras; Konstantinos C. Giotopoulos; Konstantinos Oikonomou; Spyros Sioutas (IDEAL, 2022)

Query Optimization in NoSQL Databases Using an Enhanced Localized R-tree Index. - Aristeidis Karras; Christos N. Karras; Dimitrios Samoladas; Konstantinos C. Giotopoulos; Spyros Sioutas (iiWAS, 2022)

Global Graph Clustering and Local Graph Exploration for Community Detection in Twitter. - Christos N. Karras; Aristeidis Karras; Ioanna Giannoukou; Konstantinos C. Giotopoulos; Dimitrios Tsolis; Spyros Sioutas (SEEDA-CECNSM, 2022)

Peer to Peer Federated Learning: Towards Decentralized Machine Learning on Edge Devices. - Aristeidis Karras; Christos N. Karras; Konstantinos C. Giotopoulos; Dimitrios Tsolis; Konstantinos Oikonomou; Spyros Sioutas (SEEDA-CECNSM, 2022)

Distributed Gibbs Sampling and LDA Modelling for Large Scale Big Data Management on PySpark. - Christos N. Karras; Aristeidis Karras; Dimitrios Tsolis; Konstantinos C. Giotopoulos; Spyros Sioutas (SEEDA-CECNSM, 2022)

An Intelligent Microprocessor Integrating TinyML in Smart Hotels for Rapid Accident Prevention. - Angelos Zacharia; Dimitris Zacharia; Aristeidis Karras; Christos N. Karras; Ioanna Giannoukou; Konstantinos C. Giotopoulos; Spyros Sioutas (SEEDA-CECNSM, 2022)

Decomposing Twitter Graphs Based On Hashtag Trajectories: Mining And Clustering Paths Over MongoDB. - Georgios Drakopoulos; Aristeidis Karras; Christos N. Karras; Konstantinos C. Giotopoulos; Phivos Mylonas; Spyros Sioutas (SETN, 2022)

Decentralized Algorithms for Efficient Energy Management over Cloud-Edge Infrastructures. - Aristeidis Karras; Christos N. Karras; Ioanna Giannoukou; Konstantinos C. Giotopoulos; Dimitrios Tsolis; Ioannis Karydis; Spyros Sioutas (ALGOCLOUD, 2023)

Edge Artificial Intelligence in Large-Scale IoT Systems, Applications, and Big Data Infrastructures. - Aristeidis Karras; Anastasios Giannaros; Christos N. Karras; Konstantinos C. Giotopoulos; Dimitrios Tsolis; Spyros Sioutas (SEEDA-CECNSM, 2023)

TinyML-based Event Detection: An Edge-Cloud Approach for Smart Agriculture over LoRa WSNs. - Aristeidis Karras; Christos N. Karras; Anastasios Giannaros; Konstantinos C. Giotopoulos; Dimitrios Tsolis; Konstantinos Oikonomou; Spyros Sioutas (SEEDA-CECNSM, 2023)

Consensus Big Data Clustering for Bayesian Mixture Models. - Christos N. Karras; Aristeidis Karras; Konstantinos C. Giotopoulos; Markos Avlonitis; Spyros Sioutas (Algorithms, 2023)

Federated Edge Intelligence and Edge Caching Mechanisms. - Aristeidis Karras; Christos N. Karras; Konstantinos C. Giotopoulos; Dimitrios Tsolis; Konstantinos Oikonomou; Spyros Sioutas (Inf., 2023)

Deep Learning Approaches for Big Data-Driven Metadata Extraction in Online Job Postings. - Panagiotis Skondras; Nikos Zotos; Dimitris Lagios; Panagiotis Zervas; Konstantinos C. Giotopoulos; Giannis Tzimas (Inf., 2023)

Modelling and Analysis of Neuro Fuzzy Employee Ranking System in the Public Sector. - Konstantinos C. Giotopoulos; Dimitrios Michalopoulos; Aristeidis Karras; Christos N. Karras; Spyros Sioutas (Algorithms, 2023)

Comparative Analysis of Large Language Models in Structured Information Extraction from Job Postings. - Kyriaki Sioziou; Panagiotis Zervas; Kostas Giotopoulos; Giannis Tzimas (EANN, 2024)

Dynamic Workload Management System in the Public Sector. - Konstantinos C. Giotopoulos; Dimitrios Michalopoulos; Gerasimos Vonitsanos; Dimitris Papadopoulos; Ioanna Giannoukou; Spyros Sioutas (Inf., 2024)

From Data to Insight: Transforming Online Job Postings into Labor-Market Intelligence. - Giannis Tzimas; Nikos Zotos; Evangelos Mourelatos; Konstantinos C. Giotopoulos; Panagiotis Zervas (Inf., 2024)

Dynamic Workload Management System in the Public Sector: A Comparative Analysis. - Konstantinos C. Giotopoulos; Dimitrios Michalopoulos; Gerasimos Vonitsanos; Dimitris Papadopoulos; Ioanna Giannoukou; Spyros Sioutas (Future Internet, 2025)