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- Aristotle University of ThessalonikiGR8 papers
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- University of IoanninaGR2 papers
- Alexander Technological Educational Institute of ThessalonikiGR1 paper
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4 papers · 1 filter
An Efficient Multi-core Implementation of the Jaya Optimisation Algorithm
Panagiotis D. Michailidis
In this work, we propose a hybrid parallel Jaya optimisation algorithm for a multi-core environment with the aim of solving large-scale global optimisation problems. The proposed a…
A hybrid CPU-GPU parallelization scheme of variable neighborhood search for inventory optimization problems
Nikolaos Antoniadis, Angelo Sifaleras
In this paper, we study various parallelization schemes for the Variable Neighborhood Search (VNS) metaheuristic on a CPU-GPU system via OpenMP and OpenACC. A hybrid parallel VNS m…
A dynamic multi-level collaborative filtering method for improved recommendations
Nikolaos Polatidis, Christos K. Georgiadis
One of the most used approaches for providing recommendations in various online environments such as e-commerce is collaborative filtering. Although, this is a simple method for re…
Evaluation of Business-Oriented Performance Metrics in e-Commerce using Web-based Simulation
Ilija S. Hristoski, Pece J. Mitrevski
The Web 2.0 paradigm has radically changed the way businesses are run all around the world. Moreover, e-Commerce has overcome in daily shopping activities. For management teams, th…