The following paper, produced in the project’s context was accepted for publishing: GuideMe: A networked application for indoor orientation and guidance, Barri E., Bouras C., Gkamas A., Koulouri C., Michos E., Katsampiris Salgado S. A., in The Sixteenth International Conference on Networking and Services, ICNS 2020, September 27, 2020 to October 01, 2020 – Lisbon, Portugal.