11 citations · 13 across the 7 of their papers we have counts for
7 papers
Make me an Offer: Forward and Reverse Auctioning Problems in the Tourism Industry
Ioannis T. Christou, Dimitris Doukas, Konstantina Skouri +1
Most tourist destinations are facing regular and consistent seasonality with significant economic and social impacts. This phenomenon is more pronounced in the post-covid era, wher…
A Robust and Explainable Data-Driven Anomaly Detection Approach For Power Electronics
Alexander Beattie, Pavol Mulinka, Subham Sahoo +4
Timely and accurate detection of anomalies in power electronics is becoming increasingly critical for maintaining complex production systems. Robust and explainable strategies help…
Planning Courses for Student Success at the American College of Greece
Ioannis T. Christou, Evgenia Vagianou, George Vardoulias
We model the problem of optimizing the schedule of courses a student at the American College of Greece will need to take to complete their studies. We model all constraints set for…
Three-layer Approach to Detect Anomalies in Industrial Environments based on Machine Learning
Daniel Gutierrez-Rojas, Mehar Ullah, Ioannis T. Christou +8
This paper introduces a general approach to design a tailored solution to detect rare events in different industrial applications based on Internet of Things (IoT) networks and mac…
Popt4jlib: A Parallel/Distributed Optimization Library for Java
Ioannis T. Christou
This paper describes the architectural design as well as key implementation details of the Open Source popt4jlib library (https://githhub.org/ioannischristou/popt4jlib) that contai…
A Parallel/Distributed Algorithmic Framework for Mining All Quantitative Association Rules
Ioannis T. Christou, Emmanouil Amolochitis, Zheng-Hua Tan
We present QARMA, an efficient novel parallel algorithm for mining all Quantitative Association Rules in large multidimensional datasets where items are required to have at least a…
To Pool or Not To Pool? Revisiting an Old Pattern
Ioannis T. Christou, Sofoklis Efremidis
We revisit the well-known object-pool design pattern in Java. In the last decade, the pattern has attracted a lot of criticism regarding its validity when used for light-weight obj…