no code implementations • 13 Apr 2024 • Zoi Lygizou, Dimitris Kalles
We ran a series of simulations to compare CA model to FIRE, a well-established, decentralized trust and reputation model for open MAS under conditions of continuous trustee and trustor population replacement, as well as continuous change of trustees' abilities to perform tasks.
no code implementations • 23 Jun 2021 • Georgios Feretzakis, George Karlis, Evangelos Loupelis, Dimitris Kalles, Rea Chatzikyriakou, Nikolaos Trakas, Eugenia Karakou, Aikaterini Sakagianni, Lazaros Tzelves, Stavroula Petropoulou, Aikaterini Tika, Ilias Dalainas, Vasileios Kaldis
Introduction: One of the most important tasks in the Emergency Department (ED) is to promptly identify the patients who will benefit from hospital admission.
no code implementations • 24 May 2021 • Chairi Kiourt, Georgios Feretzakis, Konstantinos Dalamarinis, Dimitris Kalles, Georgios Pantos, Ioannis Papadopoulos, Spyros Kouris, George Ioannakis, Evangelos Loupelis, Petros Antonopoulos, Aikaterini Sakagianni
In this study, we present some of the most accurate and fast deep learning models for pulmonary embolism identification in CTPA-Scans images, through classification and localization (object detection) approaches for patients infected by COVID-19.
no code implementations • 7 Jul 2018 • Chairi Kiourt, Dimitris Kalles, Panagiotis Kanellopoulos
Agent based simulation of social organizations, via the investigation of agents' training and learning tactics and strategies, has been inspired by the ability of humans to learn from social environments which are rich in agents, interactions and partial or hidden information.
no code implementations • 19 Oct 2017 • Spyros Gkezerlis, Dimitris Kalles
We use decision trees to build a helpdesk agent reference network to facilitate the on-the-job advising of junior or less experienced staff on how to better address telecommunication customer fault reports.
no code implementations • 18 Oct 2017 • Georgios Feretzakis, Dimitris Kalles, Vassilios S. Verykios
This paper focuses on preserving the privacy of sensitive pat-terns when inducing decision trees.
no code implementations • 18 Jun 2017 • Dimitris Kalles, Vassilios S. Verykios, Georgios Feretzakis, Athanasios Papagelis
This paper focuses on preserving the privacy of sensitive patterns when inducing decision trees.