A Bluetooth User Positioning System for Locating, Informing, and Extracting Information Using Data Mining Techniques. - John D. Garofalakis; Christos Mettouris (Int. J. Adv. Pervasive Ubiquitous Comput., 2009)

Tackling Cognitively-Complex Collaboration with CoPe_it! - Nikos I. Karacapilidis; Manolis Tzagarakis; Nikos Karousos; George Gkotsis; Vassilis Kallistros; Spyros Christodoulou; Christos Mettouris (Int. J. Web Based Learn. Teach. Technol., 2009)

Exploiting Context in Location-Based Information Systems. - Christos Mettouris; George A. Papadopoulos (CIT, 2010)

A Context Aware Recommender System for Creativity Support Tools. - George A. Sielis; Christos Mettouris; George A. Papadopoulos; Aimilia Tzanavari; Roger M. G. Dols; Quintin Siebers (J. Univers. Comput. Sci., 2011)

Contextual Modelling in Context-Aware Recommender Systems: A Generic Approach. - Christos Mettouris; George A. Papadopoulos (WISE Workshops, 2012)

A Context Modelling System and Learning Tool for Context-Aware Recommender Systems. - Christos Mettouris; Achilleas Achilleos; George Angelos Papadopoulos (EC-TEL, 2013)

Developing an effective social presence system for older adults: The Connected Vitality Network. - Achilleas Achilleos; Christos Mettouris; George A. Papadopoulos; Katja Neureiter; Claudia Rappold; Christiane Moser; Manfred Tscheligi; Lóránt Vajda; Andras Toth; Peter Hanák; Omar Jimenez; Robbert Smit (ITI, 2013)

Using Appropriate Context Models for CARS Context Modelling. - Christos Mettouris; George Angelos Papadopoulos (KICSS, 2014)

Ubiquitous recommender systems. - Christos Mettouris; George A. Papadopoulos (Computing, 2014)

An Automation Component for Cross-Platform, Context-Aware Applications Development. - Achilleas P. Achilleos; Marita Thoma; Georgia M. Kapitsaki; Christos Mettouris; George A. Papadopoulos (CONTEXT, 2015)

Identifying Context Information in Datasets. - Georgia M. Kapitsaki; Giouliana Kalaitzidou; Christos Mettouris; Achilleas P. Achilleos; George A. Papadopoulos (CONTEXT, 2015)

Designing Context Models for CARS Incorporating Partially Observable Context. - Christos Mettouris; George A. Papadopoulos (CONTEXT, 2015)

A Runtime Middleware for Enabling Application Integration and Rapid Re-Engineering. - Marios Komodromos; Christos Mettouris; Achilleas P. Achilleos; George A. Papadopoulos; Martin Deinhofer; Christoph Veigl; Alfred Doppler; Stefan Schurz (SoMeT, 2016)

SciChallenge: Using Student-Generated Content and Contests to Enhance the Interest for Science Education and Careers. - Sabri Pllana; Florian Huber; Zdenek Hrdlicka; Christos Mettouris; Asja Veber; Zsófia Ocsovszky; Chris Gary; Eleni Boulomyti; Phil Smith (CoRR, 2016)

Game-based learning using a 3D virtual world in computer engineering education. - Michalis Nik Xenos; Vicky Maratou; I. Ntokas; Christos Mettouris; George Angelos Papadopoulos (EDUCON, 2017)

An adaptive integrated environment for assisted living. - Christos Mettouris; Achilleas P. Achilleos; Alexandros Yeratziotis; George A. Papadopoulos; Daniel Ziegler 001; Lukas Smirek; Gottfried Zimmermann (IISA, 2017)

Health monitoring web platform for real-time expert-user interaction. - Alexandros Yeratziotis; Christos Mettouris; Kyriakos Evripidou; Paraskevi Hadjinikolaou; George A. Papadopoulos; Achilleas Achilleos (IISA, 2017)

Pushing STEM-education through a social-media-based contest format - experiences and lessons-learned from the H2020-project SciChallenge. - Florian Huber; Bernhard Jäger; Sabri Pllana; Zdenek Hrdlicka; Christos Mettouris; George A. Papadopoulos; Tamara Matevc; Zsófia Ocsovszky; Edina Hajdu; Chris Gary; Phil Smith (CoRR, 2017)

The UbiCARS Model-Driven Framework: Automating Development of Recommender Systems for Commerce. - Christos Mettouris; Achilleas Achilleos; Georgia M. Kapitsaki; George A. Papadopoulos (AmI, 2018)

Adopting an Open Smart City Platform: A Survey. - Achilleas Achilleos; Christos Markides; Andreas Konstantinidis 002; Ioannis Giorkas; Georgia M. Kapitsaki; Christos Mettouris; George A. Papadopoulos (ISC2, 2019)

GDPR Compliance in the Design of the INFORM e-Learning Platform: a Case Study. - Evangelia Vanezi; Dimitrios Kouzapas; Georgia M. Kapitsaki; Theodora Costi; Alexandros Yeratziotis; Christos Mettouris; Anna Philippou; George A. Papadopoulos (RCIS, 2019)

A survey on cost-effective context-aware distribution of social data streams over energy-efficient data centres. - Irene Kilanioti; Alejandro Fernández-Montes; Damián Fernández-Cerero; Christos Mettouris; Valentina Nejkovic; Rabih Bashroush; George A. Papadopoulos (Simul. Model. Pract. Theory, 2019)

SciChallenge: A Social Media Aware Platform for Contest-Based STEM Education and Motivation of Young Students. - Achilleas P. Achilleos; Christos Mettouris; Alexandros Yeratziotis; George A. Papadopoulos; Sabri Pllana; Florian Huber; Bernhard Jäger; Peter Leitner; Zsófia Ocsovszky; András Dinnyés (IEEE Trans. Learn. Technol., 2019)

Towards Efficient and Scalable Data-Intensive Content Delivery: State-of-the-Art, Issues and Challenges. - Irene Kilanioti; Alejandro Fernández-Montes; Damián Fernández-Cerero; Anthony Karageorgos; Christos Mettouris; Valentina Nejkovic; Nikolas Albanis; Rabih Bashroush; George A. Papadopoulos (High-Performance Modelling and Simulation for Big Data Applications, 2019)

GUIDed: Assisted-Living Smart Platform and Social Communication for Older Adults. - Christos Mettouris; Alexandros Yeratziotis; Charalampos Theodorou; Evangelia Vanezi; Achilleas Achilleos; George A. Papadopoulos; Sotiria Moza; Marina Polycarpou; Joanna Starosta-Sztuczka; Karol Pecyna; Terje Grimstad; Strahinja Lazic (I4CS, 2021)

eSticky-An Advanced Remote Reminder System for People with Early Dementia. - Lisa Fixl; Stefan Parker; Joanna Starosta-Sztuczka; Christos Mettouris; Alexandros Yeratziotis; Stavroulla Koumou; Michalis Kaili; George A. Papadopoulos; Valerie Clarke (IHAW, 2021)

GUIDed: An Augmented Reality Assisted-Living and Social Interaction Platform for Older Adults. - Kale Strahinja Lazic; Achilleas Achilleos; Stefan Parker; Christos Mettouris; Alexandros Yeratziotis; George A. Papadopoulos; Charalampos Theodorou; Karol Pecyna (IHAW, 2021)

CompLicy: Evaluating the GDPR Alignment of Privacy Policies - A Study on Web Platforms. - Evangelia Vanezi; George Zampa; Christos Mettouris; Alexandros Yeratziotis; George A. Papadopoulos (RCIS, 2021)

CloudRecoMan: Cloud adoption made easy: A platform for assisting small and medium enterprises to adopt cloud solutions. - Christos Mettouris; Evangelia Vanezi; George Zampa; Stylianos Argyrou; Achilleas Achilleos; Avgoustinos Constantinides; George Angelos Papadopoulos (GoodIT, 2022)

Lessons Learned from Older Adults Fusing of an Augmented Reality, Assisted Living and Social Interaction Platform. - Achilleas Achilleos; Christos Mettouris; Alexandros Yeratziotis; Joanna Starosta-Sztuczka; Sotiria Moza; Andria Hadjicosta; Stylianos Georgiou; Charalampos Theodorou; Constantinos Tevkros Loizou; Karol Pecyna; Kale Strahinja Lazic; Stefan Parker; et al. (SN Comput. Sci., 2023)

eSticky: An Advanced Remote Reminder System for People with Early Dementia. - Christos Mettouris; Alexandros Yeratziotis; Lisa Fixl; Stefan Parker; Joanna Starosta-Sztuczka; Valerie Clarke; Gerd Rosenauer; Werner Daxberger; Stavroulla Koumou; Michalis Panayides; George Zampa; Charalampos Theodorou; et al. (SN Comput. Sci., 2023)

EASIER: A new model for online learning of minimally invasive surgery skills. - Ignacio Oropesa; Luisa F. Sánchez-Peralta; Carmen Guzmán-García; Magdalena K. Chmarra; Krisztina Berner-Juhos; Calin Tiu; Christos Mettouris; George A. Papadopoulos; Andreas Papadopoulos; José Blas Pagador; Joeri Post; Jenny Dankelman; et al. (Int. J. Medical Informatics, 2023)

Designing Digital Solutions in the Cultural Heritage and Tourism Industry for Advancing Visitors' Experiences: SMEs Needs, Preferences, and Expectations. - Vito Del Vecchio; Mariangela Lazoi; Claudio Marche; Christos Mettouris; Mario Montagud; Giorgia Specchia; Mostafa Z. Ali (XR (3), 2024)

"Signifier" Video Sharing Platform and Accessible Media Player for Deaf Users. - Paraskevi Panagi; Alexandros Yeratziotis; Thomas Fotiadis; Christos Mettouris; George Angelos Papadopoulos (GoodIT, 2024)

Tools for Identifying and Preventing Loneliness in Older Adults. - Christos Mettouris; Evangelia Vanezi; Leonie Cammerlander; Paul Schober; Andria Hadjicosta; Sotiria Moza; Matthias Rohringer; Irena Zemaitaityte; Jan Kellerer; Eva Schulc; Raminta Bardauskiene; Paolo Zaramella; et al. (ICCCI (CCIS Volume 2), 2024)

A Game-Based Cognitive Intervention for Young Learners with Reading Difficulties. - Alexandros Yeratziotis; Thomas Fotiadis; Achilleas Achilleos; Savvas Savvides; Christos Mettouris; Christoforos Christoforou; Anna Arailoudi; Andriana Mytides; George A. Papadopoulos; Timothy C. Papadopoulos (SN Comput. Sci., 2024)

An MDD Framework Towards the Automated Development of Ubiquitous Context-Aware Recommender Systems for Commerce. - Christos Mettouris; Achilleas Achilleos; Georgia M. Kapitsaki; George A. Papadopoulos (SN Comput. Sci., 2025)