TY - JOUR T1 - Open educational resources and informational ecosystems: Edutags as a connector for open learning JF - MedienPädagogik. Zeitschrift für Theorie und Praxis der Medienbildung Y1 - 2014 A1 - Michael Kerres A1 - Heinen, Richard ED - Friesen, Norm ED - Hug, Theo ED - Meister, Dorothee VL - 24 IS - Themenheft: Educational Media Ecologies (Ed. by Friesen, Norm; Hug, Theo, Meister, Dorothee M.) ER -