| Vol-467 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.

# (SW)^2 - 2009
Web 3.0: Merging Semantic Web and Social Web

### Proceedings of the Workshop on
Web 3.0: Merging Semantic Web and Social Web

### Turin, Italy, June 29, 2009.

Edited by

### Federica Cena *
Rosta Farzan #
Pasquale Lops %

* Department of Computer Science - University of Turin, Italy
# Intelligent Systems Program - University of Pittsburgh, USA
% Department of Computer Science - University of Bari "Aldo Moro", Italy

## Table of Contents

Preface

1. Increasing Community Participation for Learning and Validating Ontologies
   Cheng, D. C., Espiritu L.
2. UbisEditor 3.0: Collaborative Ontology Development on the Web
   Matthias Loskyll, Dominikus Heckmann, Ichiro Kobayashi
3. Docuphet - A Dialogue Assisted Content Annotation Tool
   Mihaly Héder, Domonkos Tikk
4. Working the Crowd: Design Principles and Early Lessons from the Social-Semantic Web
   Mathias Niepert, Cameron Buckner, Colin Allen
5. Evaluation of Collaborative Filtering Algorithms for Recommending Articles on CiteULike
   Denis Parra, Peter Brusilovsky
6. A Web 3.0 Approach for Improving Tagging Systems
   Alexander Kreiser, Andreas Nauerz, Fedor Bakalov

## How to cite

#### A single paper should be cited using its online URL, for example

Alexander Kreiser, Andreas Nauerz, Fedor Bakalov
A Web 3.0 Approach for Improving Tagging Systems.
In Proceedings of Workshop on Web 3.0: Merging Semantic Web and Social Web 2009 (SW)^2
Turin, Italy, June 29, 2009, CEUR Workshop Proceedings,
ISSN 1613-0073, online http://ceur-ws.org/Vol-467/paper6.pdf.

#### The whole proceedings volume should be cited as follows:

Cena, F. & Farzan, R. & Lops, P.(Eds.)
Proceedings of the Workshop on Web 3.0: Merging Semantic Web and Social Web 2009 (SW)^2,
Turin, Italy, June 29, 2009, CEUR Workshop Proceedings,
ISSN 1613-0073, online http://ceur-ws.org/Vol-467.

11-Jun-2009: submitted by Pasquale Lops
11-Jun-2009: published on CEUR-WS.org