**Meet the editor**

Boyka Gradinarova is the Head of the Distance Learning Centre and lecturer in Information Technologies in the Department of Computer Science and Technology at the Technical University of Varna. She holds a Ph.D. in Educational Methodology and Instructional Technology from the Sofia University of Bulgaria. Her research and teaching focus is in the area of e-learning (web-based

learning, tele-learning, online learning, flexible learning and instruction, semantic web technologies, etc.), computer networks and communications, web design and software agents. Her last published book is titled *Methodological Requirements for the Design and Implementation of E-learning* (Technical University of Varna, 2014). She is a member of the Association of Scientists in Bulgaria and the National Committee of IFIP, IFIP WG 3.5 (Informatics in Secondary Education).
