| Vol-535 Copyright © 2009 for the individual papers by the papers' authors. Copying permitted for private and academic purposes. Re-publication of material from this volume requires permission by the copyright owners. This volume is published by its editors.

# SIRTEL'09 -- Social Information Retrieval for
Technology-Enhanced Learning

### Proceedings of the 3rd International Workshop on Social Information Retrieval for Technology-Enhanced Learning (SIRTEL'09),
Aachen, Germany, August 21, 2009.

#### In conjunction with the 8th International Conference on Web-based Learning (ICWL 2009), RWTH Aachen, Germany, August 19-21, 2009.

Edited by

### Riina Vuorikari*
Hendrik Drachsler**
Nikos Manouselis ***
Rob Koper**

* European Schoolnet (EUN), Belgium and Center for Learning Sciences and Technologies (formerly OTEC), Open University of the Netherlands
** Center for Learning Sciences and Technologies (formerly OTEC), Open University of the Netherlands
*** Greek Research & Technology Network, Greece

## Table of Contents

1. Learn Web2.0: Resource Sharing in Social Media
   Fabian Abel, Ivana Marenzi, Wolfgang Nejdl, Sergej Zerr
2. Collaborative and Semantic Information Retrieval for Technology-Enhanced Learning
   Antonella Carbonara
3. Tags and Self-organisation in a Multilingual Educational Context
   Riina Vuorikari, Rob Koper
4. Task Patterns to Support Task-centric Social Software Engineering
   Benedikt Schmidt and Wolfgang Reinhardt
5. A Sneak Preview to the Chapter 'Recommender Systems in Technology Enhanced Learning'
   Nikos Manouselis, Hendrik Drachsler, Riina Vuorikari, Hans Hummel, and Rob Koper

06-Nov-2009: submitted by Hendrik Drachsler
11-Nov-2009: published on CEUR-WS.org