Sommaire

Preface
p. 001
Design and Development of Metadata Editors: Datacentric and a User-centric Approaches
p. 199
Supporting European Energy Consumers through Gamification and Competence-based Learning
p. 225
Towards Automatic Generation of Serious Maze Games for Education
p. 249
Review of Policy Envisions and Requirements for STEM Teachers in Bulgaria
p. 279
Semantic-oriented Architectures and Use of Ontology for Organizing Adaptive Search in Digital Libraries
p. 297