Our articles "Forschungsfeld Learning Analytics" and "Formatives Assessment in offenen, informellen, vernetzten Lernszenarien" have been published in the special issue "Forschungsherausforderungen des E-Learning" of i-com - Zeitschrift für interaktive und kooperative Medien. Prof. Schroeder is a guest editor of this sepecial issue. The two articles can be downloaded here(external link).