Media type: E-Article Title: Towards Ubiquitous Learning: Usage Pattern Recognition in Student Activities Contributor: Scheffel, Maren; Niemann, Katja; Pardo, Abelardo; Leony, Derick; Friedrich, Martin; Schmidt, Kerstin; Wolpers, Martin; Kloos, Carlos Delgado Published: Springer Berlin Heidelberg, 2011 Published in: Towards Ubiquitous Learning (2011), Seite 341-355 Language: Not determined DOI: 10.1007/978-3-642-23985-4_27 ISBN: 9783642239847; 9783642239854 ISSN: 0302-9743; 1611-3349 Origination: Footnote: