Search Results for author: Iraklis Varlamis

Found 10 papers, 0 papers with code

Federated Learning for Computer Vision

no code implementations24 Aug 2023 Yassine Himeur, Iraklis Varlamis, Hamza Kheddar, Abbes Amira, Shadi Atalla, Yashbir Singh, Faycal Bensaali, Wathiq Mansoor

Computer Vision (CV) is playing a significant role in transforming society by utilizing machine learning (ML) tools for a wide range of tasks.

Federated Learning

Detection of Anomalies in Multivariate Time Series Using Ensemble Techniques

no code implementations6 Aug 2023 Anastasios Iliopoulos, John Violos, Christos Diou, Iraklis Varlamis

To boost the performance of these base models, we propose a feature-bagging technique that considers only a subset of features at a time, and we further apply a transformation that is based on nested rotation computed from Principal Component Analysis (PCA) to improve the effectiveness and generalization of the approach.

Anomaly Detection Time Series

AI-as-a-Service Toolkit for Human-Centered Intelligence in Autonomous Driving

no code implementations3 Feb 2022 Valerio De Caro, Saira Bano, Achilles Machumilane, Alberto Gotta, Pietro Cassará, Antonio Carta, Rudy Semola, Christos Sardianos, Christos Chronis, Iraklis Varlamis, Konstantinos Tserpes, Vincenzo Lomonaco, Claudio Gallicchio, Davide Bacciu

This paper presents a proof-of-concept implementation of the AI-as-a-Service toolkit developed within the H2020 TEACHING project and designed to implement an autonomous driving personalization system according to the output of an automatic driver's stress recognition algorithm, both of them realizing a Cyber-Physical System of Systems.

Autonomous Driving reinforcement-learning +1

A survey of recommender systems for energy efficiency in buildings: Principles, challenges and prospects

no code implementations9 Feb 2021 Yassine Himeur, Abdullah Alsalemi, Ayman Al-Kababji, Faycal Bensaali, Abbes Amira, Christos Sardianos, George Dimitrakopoulos, Iraklis Varlamis

Recommender systems have significantly developed in recent years in parallel with the witnessed advancements in both internet of things (IoT) and artificial intelligence (AI) technologies.

Recommendation Systems

The emergence of Explainability of Intelligent Systems: Delivering Explainable and Personalised Recommendations for Energy Efficiency

no code implementations10 Oct 2020 Christos Sardianos, Iraklis Varlamis, Christos Chronis, George Dimitrakopoulos, Abdullah Alsalemi, Yassine Himeur, Faycal Bensaali, Abbes Amira

Recommendation systems are intelligent systems that support human decision making, and as such, they have to be explainable in order to increase user trust and improve the acceptance of recommendations.

Decision Making Recommendation Systems

Text Relatedness Based on a Word Thesaurus

no code implementations15 Jan 2014 George Tsatsaronis, Iraklis Varlamis, Michalis Vazirgiannis

Without doubt, a measure of relatedness between text segments must take into account both the lexical and the semantic relatedness between words.

Clustering Retrieval +4

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