| Vol-654 urn:nbn:de:0074-654-1 Copyright © 2010 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.

# URSW 2010
Uncertainty Reasoning for the Semantic Web - Volume 6

### Proceedings of the 6th International Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2010), collocated with the 9th International Semantic Web Conference (ISWC 2010)

### Shanghai, China, November 7, 2010.

Edited by

### Fernando Bobillo 1
Rommel Carvalho 2
Paulo C. G. da Costa 2
Claudia D'Amato 3
Nicola Fanizzi 3
Kathryn B. Laskey 2
Kenneth J. Laskey 4
Thomas Lukasiewicz 5
Trevor Martin 6
Matthias Nickles 7
Michael Pool 8

1 Universidad de Zaragoza, Departamento de Informática e Ingeniería de Sistemas, Zaragoza, Spain
2 George Mason University, Volgenau School of Information Technology and Engineering, Fairfax, VA, USA
3 Università degli Studi di Bari, Dipartimento di Informatica, Bari, Italy
4 MITRE Corporation, McLean, VA, USA
5 University of Oxford, Computing Laboratory, Oxford, UK
6 University of Bristol, Department of Engineering Mathematics, Bristol, UK
7 University of Bath, Department of Computer Science, Bath, UK
8 Convera, Inc., Vienna, VA, USA

- Here you can download the complete proceedings as a single PDF-file.
- Below you can download each single contribution.

## Table of Contents

> ### Foreword

### Technical Papers

1. Description Logics over Multisets 1-12
   Yuncheng Jiang
2. Transforming Fuzzy Description Logic ALCFL into Classical Description Logic ALCH 13-24
   Yining Wu
3. PrOntoLearn: Unsupervised Lexico-Semantic Ontology Generation using Probabilistic Methods 25-36
   Saminda Abeyruwan, Ubbo Visser, Vance Lemmon, Stephan Schürer
4. Efficient approximate SPARQL querying of Web of Linked Data 37-48
   B. R. Kuldeep Reddy, P. Sreenivasa Kumar
5. Semantic Query Extension through Probabilistic Description Logics 49-60
   José Eduardo Ochoa Luna, Kate Revoredo, Fabio Gagliardi Cozman
6. Finite Fuzzy Description Logics: A Crisp Representation for Finite Fuzzy ALCH 61-72
   Fernando Bobillo, Umberto Straccia
7. PR-OWL 2.0 - Bridging the gap to OWL semantics 73-84
   Rommel N. Carvalho, Kathryn B. Laskey, Paulo C.G. Costa
8. Learning Sentences and Assessments in Probabilistic Description Logics 85-96
   José Eduardo Ochoa Luna, Kate Revoredo, Fabio Gagliardi Cozman

### Position Papers

1. SWRL-F - A Fuzzy Logic Extension of the Semantic Web Rule Language 97-100
   Tomasz Wiktor Wlodarczyk, Martin O'Connor, Chunming Rong, Mark Musen
2. A Tractable Paraconsistent Fuzzy Description Logic 101-104
   Henrique Viana, Thiago Alves, João Alcântara, Ana Teresa Martins
3. Default Logics for Plausible Reasoning with Controversial Axioms 105-108
   Thomas Scharrenbach, Claudia d'Amato, Nicola Fanizzi, Rolf Grütter, Bettina Waldvogel, Abraham Bernsteins
4. Tractability of the Crisp Representations of Tractable Fuzzy Description Logics 109-112
   Fernando Bobillo, Miguel Delgado

20-Oct-2010: submitted by Fernando Bobillo
21-Oct-2010: published on CEUR-WS.org