| Vol-543 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.

# SWUI 2008
Exploring HCI Challenges

### Proceedings of the Fifth International Workshop on Semantic Web User Interaction (SWUI 2008), collocated with CHI 2008,
Florence, Italy, April 5, 2008.

Edited by

### Duane Degler ~
mc schraefel *
Jennifer Golbeck +
Abraham Bernstein #
Lloyd Rutledge ^

~ Design for Context, Columbia, MD, USA
* University of Southampton, Southampton, UK
+ University of Maryland, College Park, MD, USA
# University of Zurich, Zurich, Switzerland
^ Open Universiteit Nederland, Amsterdam, Netherlands

## Table of Contents

Preface

### Building Semantic Data

Experiences with Content Extraction from the Web
Mira Dontcheva, Sharon Lin, Steven M. Drucker, David Salesin and Michael F. Cohen

AceWiki: A Natural and Expressive Semantic Wiki
Tobias Kuhn

User-Centered Design and Evaluation of Interface Enhancements to the Semantic MediaWiki
Frederik Pfisterer, Markus Nitsche, Anthony Jameson and Catalin Barbu

Exploiting User Gratificaton for Collaborative Semantic Annotation
Davide Eynard and Marco Colombetti

### Interacting with the Semantic Web

From Semantic Web Data to Inform-Action: a Means to an End
Laurence Noël and Ghislaine Azémard

Atom Interface: A Novel Interface for Exploring and Browsing Semantic Space
Krystian Samp, Cosmin Basca, Bill McDaniel and Stefan Decker

NITELIGHT: A Graphical Tool for Semantic Query Construction
Alistair Russell, Paul Smart, Dave Braines and Nigel Shadbolt

Visual Exploration, Query, and Debugging of RDF Graphs
Wolfgang Weiss, Michael Hausenblas and Gerhard Sprung

The Effects of Transparency on Perceived and Actual Competence of a Content-Based Recommender
Henriette Cramer, Bob Wielinga, Vanessa Evers, Satyan Ramlal, Lloyd Rutledge and Natalia Stash

### Perspectives

Bringing the Semantic Web Home: a Research Agenda for Local, Personalized SWUI
Paul André, mc schraefel, Max Van Kleek and David Karger

Combined Usage of Ontologies and Folksonomies in E-learning Environments
Scott Bateman, Jelena Jovanovic, Carlo Torniai, Dragan Gasevic and Marek Hatala

Why Evaluating Semantic Web Applications is Difficult
Jacco van Ossenbruggen, Alia Amin and Michiel Hildebrand

Simplifying Knowledge Acquisition from End-Users on the Semantic Web
Max Van Kleek, Michael Bernstein, Paul André, Mikko Perttunen, David Karger and mc schraefel

26-Nov-2009: submitted by Duane Degler
30-Nov-2009: published on CEUR-WS.org