Valeria Herskovic, H. Ulrich Hoppe, J�rgen Ziegler, Marc Jansen <br/><br/>
Collaboration and Technology 

 -  2012 
<br/><br/><label>ISBN: </label>978-3-642-33284-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers and Education<br/>Computers and Society<br/>Data Mining and Knowledge Discovery<br/>Information Storage and Retrieval<br/>Information Systems Applications (incl.Internet)<br/>User Interfaces and Human Computer Interaction<br/>Computer Science