Search Results for author: Dimitris Kalles

Found 7 papers, 0 papers with code

A biologically inspired computational trust model for open multi-agent systems which is resilient to trustor population changes

no code implementations13 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.

Pulmonary embolism identification in computerized tomography pulmonary angiography scans with deep learning technologies in COVID-19 patients

no code implementations24 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.

Image Classification Object +3

How game complexity affects the playing behavior of synthetic agents

no code implementations7 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.

Navigate

Decision Trees for Helpdesk Advisor Graphs

no code implementations19 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.

Decision Making

Data set operations to hide decision tree rules

no code implementations18 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.

General Classification

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