Browsing by Author "Mettouris, Christos"
Now showing items 1-19 of 19
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Conference Object
Adopting an Open Smart City Platform: A Survey
Achilleos, Achilleas; Markides, Christos; Konstantinidis, Andreas; Giorkas, Ioannis; Kapitsaki, Georgia M.; Mettouris, Christos; Papadopoulos, George A. (2019)Many municipalities adopt nowadays smart technologies offering smart services to their citizens towards the vision of a smart city. Different research works have revealed that the realisation of a smart city and its smart ...
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Article
An automation component for cross-platform, context-aware applications development
Achilleos, Achilleas P.; Thoma, Marita; Kapitsaki, Georgia M.; Mettouris, Christos; Papadopoulos, George Angelos (2015)Context-aware computing faces many challenges mainly due to the increasing number and heterogeneity of context sources, since the Internet of Things introduces billions of devices. The development of context-aware applications ...
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Conference Object
The connected vitality system: Enhancing social presence for older adults
Achilleos, Achilleas P.; Mettouris, Christos; Papadopoulos, George Angelos; Neureiter, K.; Rappold, C.; Moser, C.; Tscheligi, M.; Vajda, L.; Tóth, András L.; Hanak, P.; Jimenez, O.; Smit, R. (2013)The social isolation of older adults in Europe is a key and continuously growing issue that demands immediate attention. Older adults might feel isolated and lonely mainly because they lack human contact and social support. ...
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Article
A context aware recommender system for creativity support tools
Sielis, George A.; Mettouris, Christos; Papadopoulos, George Angelos; Tzanavari, Aimilia; Dols, R. M. G.; Siebers, Q. (2011)The development of methods that can enhance the creativity process is becoming a continuous necessity. Through the years several researchers modelled and defined creativity focusing to the psychological aspect of the topic. ...
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Article
A context modelling system and learning tool for context-aware recommender systems
Mettouris, Christos; Achilleos, Achilleas P.; Papadopoulos, George Angelos (2013)A critical contextual modelling issue in context-aware recommender systems research has to do with developing domain and application specific models that offer no reuse and sharing capabilities. Developers and researchers ...
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Book Chapter
Context-aware recommendations using topic maps technology for the enhancement of the creativity process
Sielis, George A.; Mettouris, Christos; Tzanavari, Aimilia; Papadopoulos, George Angelos (IGI Global, 2011)Learning can be observed in the creativity process. When this process is supported by a Creativity Support Tool (CST), considering the context in which ideas are developed, as well as the context around the user himself ...
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Article
Contextual modelling in context-aware recommender systems: A generic approach
Mettouris, Christos; Papadopoulos, George Angelos (2013)Context-aware recommender systems (CARS) use context data to enhance their recommendation outcomes by providing more personalized recommendations. Context modelling is a basic procedure towards this direction since it ...
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Article
Designing context models for CARS incorporating partially observable context
Mettouris, Christos; Papadopoulos, George Angelos (2015)Context modelling and context reasoning are widely used topics in Context-Aware Recommender Systems research. Based on our research, the development of context models in context-aware recommender systems is problematic in ...
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Conference Object
Developing an effective social presence system for older adults: The Connected Vitality Network
Achilleos, Achilleas P.; Mettouris, Christos; Papadopoulos, George Angelos; Neureiter, K.; Rappold, C.; Moser, C.; Tscheligi, M.; Vajda, L.; Tóth, András L.; Hanak, P.; Jimenez, O.; Smit, R. (2013)Communication over distance via the use of communication technologies aims to offer and enable contact for older adults, who are typically restricted in terms of mobility and tend to suffer from loneliness due to the lack ...
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Conference Object
Exploiting context in location-based information systems
Mettouris, Christos; Papadopoulos, George Angelos (2010)The area of mobile location-based information systems enumerates many systems that enable their users to digitally annotate physical locations, providing in this way information to others about these locations, communicating ...
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Conference Object
GDPR Compliance in the Design of the INFORM e-Learning Platform: a Case Study
Vanezi, Evangelia; Kouzapas, Dimitrios; Kapitsaki, Georgia M.; Costi, Theodora; Yeratziotis, Alexandros; Mettouris, Christos; Philippou, Anna; Papadopoulos, George A. (2019)The European Union General Data Protection Regulation (GDPR) governs personal data processing, aiming to ensure privacy in all systems handling such data. All systems that process personal data, including software systems ...
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Article
Identifying context information in datasets
Kapitsaki, Georgia M.; Kalaitzidou, Giouliana; Mettouris, Christos; Achilleos, Achilleas P.; Papadopoulos, George Angelos (2015)Datasets are used in various applications assisting in performing reasoning and grouping actions on available data (e.g., clustering, classification, recommendations). Such sources of information may contain aspects relevant ...
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Article
Personalized context-aware recommendations in 3D virtual learning environments
Granić, A.; Maratou, Vicky; Mettouris, Christos; Papadopoulos, George Angelos; Xenos, Michalis Nik (2015)The employment of 3D Virtual World (VW) platforms in an educational field is an emerging phenomenon that enlarges the concept of learning environments, providing users technology that creates an immersive learning experience. ...
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Article
SciChallenge: A Social Media Aware Platform for Contest-Based STEM Education and Motivation of Young Students
Achilleos, Achilleas P.; Mettouris, Christos; Yeratziotis, Alexandros; Papadopoulos, George A.; Pllana, Sabri; Huber, Florian; Jäger, Bernhard; Leitner, Peter; Ocsovszky, Zsófia; Dinnyés, András (2019).05).
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Article
A survey on cost-effective context-aware distribution of social data streams over energy-efficient data centres
Kilanioti, Irene; Fernández-Montes, Alejandro; Fernández-Cerero, Damián; Mettouris, Christos; Nejkovic, Valentina; Bashroush, Rabih; Papadopoulos, George A. (2019)Social media have emerged in the last decade as a viable and ubiquitous means of communication. The ease of user content generation within these platforms, e.g. check-in information, multimedia data, etc., along with the ...
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Book Chapter
Towards Efficient and Scalable Data-Intensive Content Delivery: State-of-the-Art, Issues and Challenges
Kilanioti, Irene; Fernández-Montes, Alejandro; Fernández-Cerero, Damián; Karageorgos, Anthony; Mettouris, Christos; Nejkovic, Valentina; Albanis, Nikolas; Bashroush, Rabih; Papadopoulos, George A. (Springer International Publishing, 2019)This chapter presents the authors’ work for the Case Study entitled “Delivering Social Media with Scalability” within the framework of High-Performance Modelling and Simulation for Big Data Applications (cHiPSet) COST ...
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Conference Object
The UbiCARS Model-Driven Framework: Automating Development of Recommender Systems for Commerce
Mettouris, Christos; Achilleos, Achilleas; Kapitsaki, Georgia; Papadopoulos, George A. (Springer International Publishing, 2018)Recommendations of products to customers are proved to boost sales, increase customer satisfaction and improve user experience, making recommender systems an important tool for retail businesses. With recent technological ...
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Article
Ubiquitous recommender systems
Mettouris, Christos; Papadopoulos, George Angelos (2014)Ubiquitous recommender systems combine characteristics from ubiquitous systems and recommender systems in order to provide personalized recommendations to users in ubiquitous environments. Although not a new research area, ...
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Conference Object
UbiRS4Tourism: Design and Development of Point-of-Interest Recommender Systems Made Easy
Mettouris, Christos; Papadopoulos, George A. (e-Review of Tourism Research, 2019)Point-of-Interest (POI) recommender systems recommend POIs to users based on their preferences. POI recommender systems can be utilized in a variety of mobile and web applications for tourism, touristic websites, travel ...