| Vol-496 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.

# OWLED 2008DC
OWL: Experiences and Directions 2008 DC

### Proceedings of the Fourth OWLED Workshop on OWL: Experiences and Directions
Washington, DC (metro), 1-2 April 2008.

Edited by

### Kendall Clark*
Peter F. Patel-Schneider**

* Clark & Parsia
** Bell Labs Research

## Table of Contents

### Papers

1. Pushing the EL Envelope Further
   Franz Baader, Carsten Lutz and Sebastian Brandt
2. A Comparison of three Controlled Natural Languages for OWL 1.1
   Rolf Schwitter, Kaarel Kaljurand, Anne Cregan, Catherine Dolbear and Glen Hart
3. Versions and Applicability of Concept Definitions in Legal Ontologies
   Szymon Klarman, Rinke Hoekstra and Marc Bron
4. OWL: PAX of Mind or the AX that Caused the Split?
   Joanne Luciano and Robert Stevens
5. SPARQL-DL Implementation Experience
   Petr Kremen and Evren Sirin
6. Safe and Economic Re-Use of Ontologies: A Logic-Based Methodology and Tool Support
   Ernesto Jimenez-Ruiz, Bernardo Cuenca Grau, Ulrike Sattler, Thomas Schneider and Rafael Berlanga
7. Manchester Syntax for OWL 1.1
   Matthew Horridge and Peter Patel-Schneider
8. CEX and MEX: Logical Diff and Logic-based Module Extraction in a Fragment of OWL
   Boris Konev, Carsten Lutz, Dirk Walther and Frank Wolter
9. Use of OWL and SWRL for Semantic Relational Database Translation
   Matt Fisher, Mike Dean and Gregory Joiner
10. Transforming the Axiomisation of Ontologies: The Ontology Pre-Processor Language
    Mikel Egaña, Robert Stevens and Erick Antezana
11. DLRule: A Rule Editor plug-in for Protege
    Francis Gasse and Volker Haarslev
12. A Generic Software Framework for Building Hybrid Ontology-Backed Models for Driving Applications
    Colin Puleston, James Cunningham and Alan Rector
13. Publishing OWL Ontologies with Presto
    Alex DeLeon and Michel Dumontier
14. Modeling Life Science Knowledge with OWL 1.1
    Michel Dumontier and Natalia Villanueva-Rosales
15. Role Based Access Control and OWL
    Tim Finin, Anupam Joshi, Lalana Kagal, Jianwei Niu, Ravi Sandhu, William Winsborough and Bhavani Thuraisingham
16. Annotation Classes: A Structuring Mechanism for OWL Ontologies
    Mike Dean

### Demos and Statements of Interest

1. Supporting the Construction of Conceptual Ontologies with the ROO Tool (Demo Description)
   Ronald Denaux, Ian Holt, Vania Dimitrova, Catherine Dolbear and Anthony Cohn
2. Demonstrating Pronto: a Non-Monotonic Probabilistic OWL Reasoner (Demo Description)
   Pavel Klinov and Bijan Parsia
3. Ontology-based database access with DIG-Mastro and the OBDA Plugin for Protégé (Demo Description)
   Antonella Poggi, Mariano Rodriguez and Marco Ruzzi
4. Application of OWL 1.1 to Systems Engineering (Statement of Interest)
   Ian Horrocks and Henson Graves
5. Safe Rules for OWL 1.1 (Statement of Interest)
   Peter Patel-Schneider
6. OWL as a Target for Information Extraction Systems (Statement of Interest)
   Clay Fink, Tim Finin, Jim Mayfield and Christine Piatko
7. Use of OWL in the Legal Domain (Statement of Interest)
   Rinke Hoekstra
8. OWL Instance Data Evaluation (Statement of Interest)
   Li Ding, Jiao Tao and Deborah McGuinness

25-Aug-2009: submitted by Peter F. Patel-Schneider
26-Aug-2009: published on CEUR-WS.org