| Vol-796 urn:nbn:de:0074-796-0 Copyright © 2011 for the individual papers by the papers' authors. Copying permitted only for private and academic purposes. This volume is published and copyrighted by its editors.

# OWLED 2011
OWL: Experiences and Directions

### Proceedings of the 8th International Workshop on OWL: Experiences and Directions (OWLED 2011)

### San Francisco, California, USA, June 5-6, 2011.

Edited by

### Michel Dumontier *
Melanie Courtot **

* Carleton University, Department of Biology and School of Computer Science, Ottawa, Ontario, Canada
** Terry Fox Laboratory, BC Cancer Agency, Vancouver, British Columbia, Canada

## Table of Contents

### Long Papers

1. Chemical Hazard Estimation and Method Comparison with OWL-Encoded Toxicity Decision Trees
   Leonid L. Chepelev, Dana Klassen, Michel Dumontier
2. Modelling Threshold Phenomena in OWL: Metabolite Concentrations as Evidence For Disorders
   Janna Hastings, Ludger Jansen, Christoph Steinbeck, Stefan Schulz
3. A T-Box Generator for Testing Scalability of OWL Mereotopological Patterns
   Martin Boeker, Janna Hastings, Daniel Schober, Stefan Schulz
4. Implementing OWL 2 RL and OWL 2 QL Rule-Sets for OWLIM
   Barry Bishop, Spas Bojanov
5. Answering Queries over OWL Ontologies with SPARQL
   Ilianna Kollia, Birte Glimm, Ian Horrocks

### Short Papers

6. Representation of Parsimonious Covering Theory in OWL-DL
   Cory Henson, Krishnaprasad Thirunarayan, Amit Sheth, Pascal Hitzler

### Application Notes

7. Protege Extensions for Scientist-Oriented Modeling of Observation and Measurement Semantics
   Wesley Saunders, Shawn Bowers, Margaret O'Brien
8. Advanced Ontology Visualization with OWLGrEd
   Janis Barzdins, Karlis Cerans, Renars Liepins, Arturs Sprogis
9. Posh - The Prolog OWL Shell
   Chris Mungall

### Flash Talks

10. Choosing Between Axioms, Rules and Queries: Experiments in Semantic Integration Techniques
    Aidan Boran, Ivan Bedini, Christopher Matheus, Peter Patel-Schneider, John Keeney
11. OWL2 based Data Cleansing Using Conditional Exclusion Dependencies
    Olivier Curé, Chan Le Duc, Myriam Lamolle

21-Oct-2011: submitted by Michel Dumontier
21-Oct-2011: published on CEUR-WS.org