Standards-based tools and services for building lifelong learning pathways. - Cleo Sgouropoulou; Ioannis Voyiatzis; Anastasios Koutoumanos; Said Hamdioui; Peyman Pouyan; M. Comte; Paolo Prinetto; Giuseppe Airo Farulla; Peeter Ellervee; Carlos Delgado Kloos; Raquel M. Crespo García (EDUCON, 2017)