تصفح حسب المؤلف "Dimitrakopoulos, George"
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A Micro-Moment System for Domestic Energy Efficiency Analysis
Alsalemi, Abdullah; Himeur, Yassine; Bensaali, Faycal; Amira, Abbes; Sardianos, Christos; Chronis, Christos; Varlamis, Iraklis; Dimitrakopoulos, George... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Domestic user behavior is a crucial factor guiding overall power consumption, necessitating the development of systems that analyze and help shape energy-efficient behavior. Therefore, the most important step in the process ... -
A model for predicting room occupancy based on motion sensor data
Sardianos, Christos; Varlamis, Iraklis; Chronis, Christos; Dimitrakopoulos, George; Himeur, Yassine; Alsalemi, Abdullah; Bensaali, Faycal; Amira, Abbes... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)When designing a large scale IoT ecosystem, it is important to provide economical solutions at all levels, from sensors and actuators to the software used for analytics and orchestration. It is of equal importance to provide ... -
A survey of recommender systems for energy efficiency in buildings: Principles, challenges and prospects
Himeur, Yassine; Alsalemi, Abdullah; Al-Kababji, Ayman; Bensaali, Faycal; Amira, Abbes; Sardianos, Christos; Dimitrakopoulos, George; Varlamis, Iraklis... more authors ... less authors ( Elsevier , 2021 , Short Survey)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. Accordingly, as a consequence of ... -
achieving Domestic Energy Efficiency Using Micro-Moments and Intelligent Recommendations
Alsalemi, Abdullah; Himeur, Yassine; Bensaali, Fayal; Amira, Abbes; Sardianos, Christos; Varlamis, Iraklis; Dimitrakopoulos, George... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)Excessive domestic energy usage is an impediment towards energy efficiency. Developing countries are expected to witness an unprecedented rise in domestic electricity in the forthcoming decades. a large amount of research ... -
Blockchain-based recommender systems: Applications, challenges and future opportunities
Himeur, Yassine; Sayed, Aya; Alsalemi, Abdullah; Bensaali, Faycal; Amira, Abbes; Varlamis, Iraklis; Eirinaki, Magdalini; Sardianos, Christos; Dimitrakopoulos, George... more authors ... less authors ( Elsevier , 2022 , Article Review)Recommender systems have been widely used in different application domains including energy-preservation, e-commerce, healthcare, social media, etc. Such applications require the analysis and mining of massive amounts of ... -
Boosting domestic energy efficiency through accurate consumption data collection
Alsalemi, Abdullah; Ramadan, Mona; Bensaali, Faycal; Amira, Abbes; Sardianos, Christos; Varlamis, Iraklis; Dimitrakopoulos, George... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Domestic user behavior shapes overall power consumption, necessitating the development of systems that analyze and help foster energy efficient behavior. The most important step in the process is the collection and management ... -
Data Analytics, Automations, and Micro-Moment Based Recommendations for Energy Efficiency
Sardianos, Christos; Varlamis, Iraklis; Chronis, Christos; Dimitrakopoulos, George; Himeur, Yassine; Alsalemi, Abdullah; Bensaali, Faycal; Amira, Abbes... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Energy conservation is a critical task for domestic households and office buildings, mainly because of the shortage of energy resources and the uprising contemporary environmental issues. The development of an IoT ecosystem ... -
ECG Signal Reconstruction on the IoT-Gateway and Efficacy of Compressive Sensing under Real-Time Constraints
Al Disi, Mohammed; Djelouat, Hamza; Kotroni, Christos; Politis, Elena; Amira, Abbes; Bensaali, Faycal; Dimitrakopoulos, George; Alinier, Guillaume... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)Remote health monitoring is becoming indispensable, though, Internet of Things (IoTs)-based solutions have many implementation challenges, including energy consumption at the sensing node, and delay and instability due to ... -
Evaluating Internet of Medical Things (IoMT)-Based Systems from a Human-Centric Perspective
Kotronis, Christos; Routis, Ioannis; Politi, Elena; Nikolaidou, Mara; Dimitrakopoulos, George; Anagnostopoulos, Dimosthenis; Amira, Abbes; Bensaali, Faycal; Djelouat, Hamza... more authors ... less authors ( Elsevier , 2019 , Article Review)Internet of Things (IoT)-based systems are rapidly evolving, offering promising technological, financial and social prospects in multiple domains, including healthcare. Medical systems, integrated with IoT features, can ... -
"I want to ... Change": Micro-moment based recommendations can change users' energy habits
Sardianos, Christos; Varlamis, Iraklis; Dimitrakopoulos, George; Anagnostopoulos, Dimosthenis; Alsalemi, Abdullah; Bensaali, Faycal; Amira, Abbes... more authors ... less authors ( SciTePress , 2019 , Conference Paper)Since electricity consumption of households in developing countries is dramatically increasing every year, it is now more prudent than ever to utilize technology-based solutions that assist energy end-users to improve ... -
Incorporating patient concerns into design requirements for IoMT-based systems: The fall detection case study
Nikolaidou, Mara; Kotronis, Christos; Routis, Ioannis; Politi, Elena; Dimitrakopoulos, George; Anagnostopoulos, Dimosthenis; Djelouat, Hamza; Amira, Abbes; Bensaali, Faycal... more authors ... less authors ( SAGE Publications Ltd , 2021 , Article)Internet of Medical Things (IoMT) systems are envisioned to provide high-quality healthcare services to patients in the comfort of their home, utilizing cutting-edge Internet of Things (IoT) technologies and medical sensors. ... -
Leveraging Quality of Service and Cost in Cyber-Physical Systems Design
Kotronis, Christos; Tsadimas, Anargyros; Nikolaidou, Mara; Anagnostopoulos, Dimosthenis; Dimitrakopoulos, George; Amira, Abbes; Bensaali, Faycal... more authors ... less authors ( Springer , 2019 , Conference Paper)Cyber-Physical Systems (CPSs) comprise multiple cyberparts, physical processes, and human participants (end-users) that affect them, and vice versa. During the design of such systems, it is critical for the designer to ... -
On the applicability of 2D local binary patterns for identifying electrical appliances in non-intrusive load monitoring
Himeur, Yassine; Alsalemi, Abdullah; Bensaali, Faycal; Amira, Abbes; Sardianos, Christos; Varlamis, Iraklis; Dimitrakopoulos, George... more authors ... less authors ( Springer , 2021 , Conference Paper)In recent years, the automatic identification of electrical devices through their power consumption signals finds a variety of applications in smart home monitoring and non-intrusive load monitoring (NILM). This work ... -
Real-time ECG monitoring using compressive sensing on a heterogeneous multicore edge-device
Djelouat, Hamza; Al Disi, Mohamed; Boukhenoufa, Issam; Amira, Abbes; Bensaali, Faycal; Kotronis, Christos; Politi, Elena; Nikolaidou, Mara; Dimitrakopoulos, George... more authors ... less authors ( Elsevier , 2020 , Article)In a typical ambulatory health monitoring systems, wearable medical sensors are deployed on the human body to continuously collect and transmit physiological signals to a nearby gateway that forward the measured data to ... -
Real-time personalised energy saving recommendations
Sardianos, Christos; Chronis, Christos; Varlamis, Iraklis; Dimitrakopoulos, George; Himeur, Yassine; Alsalemi, Abdullah; Bensaali, Faycal; Amira, Abbes... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)The increased consumption of energy worldwide has boosted the interest of people for energy-efficient solutions at every level of daily life, from goods production and transportation to the use of household and office ... -
REHAB-C: Recommendations for Energy HABits Change
Sardianos, Christos; Varlamis, Iraklis; Dimitrakopoulos, George; Anagnostopoulos, Dimosthenis; Alsalemi, Abdullah; Bensaali, Faycal; Himeur, Yassine; Amira, Abbes... more authors ... less authors ( Elsevier , 2020 , Article)This paper introduces REHAB-C, a goal-based context-aware recommendation system that supports users in transforming their energy habits. A combination of smart sensors and actuators collects information about user actions ... -
Reshaping Consumption Habits by Exploiting Energy-Related Micro-moment Recommendations: A Case Study
Sardianos, Christos; Varlamis, Iraklis; Chronis, Christos; Dimitrakopoulos, George; Alsalemi, Abdullah; Himeur, Yassine; Bensaali, Faycal; Amira, Abbes... more authors ... less authors ( Springer Science and Business Media Deutschland GmbH , 2021 , Conference Paper)The environmental change and its effects, caused by human influences and natural ecological processes over the last decade, prove that it is now more prudent than ever to transition to more sustainable models of energy ... -
Smart fusion of sensor data and human feedback for personalized energy-saving recommendations
Varlamis, Iraklis; Sardianos, Christos; Chronis, Christos; Dimitrakopoulos, George; Himeur, Yassine; Alsalemi, Abdullah; Bensaali, Faycal; Amira, Abbes... more authors ... less authors ( Elsevier , 2022 , Article)Despite the variety of sensors that can be used in a smart home or office setup, for monitoring energy consumption and assisting users to save energy, their usefulness is limited when they are not properly integrated into ... -
Special issue: Empowering eHealth with smart internet of things (IoT) medical devices
Amira, Abbes; Agoulmine, Nazim; Bensaali, Faycal; Bermak, Amine; Dimitrakopoulos, George ( MDPI AG , 2019 , Other)[No abstract available] -
Techno-economic assessment of building energy efficiency systems using behavioral change: A case study of an edge-based micro-moments solution
Himeur, Yassine; Alsalemi, Abdullah; Bensaali, Faycal; Amira, Abbes; Varlamis, Iraklis; Bravos, George; Sardianos, Christos; Dimitrakopoulos, George... more authors ... less authors ( Elsevier , 2022 , Article)Energy efficiency based on behavioral change has attracted increasing interest in recent years, although, solutions in this area lack much needed techno-economic analysis. That is due to the absence of both prospective ...