| Vol-943 urn:nbn:de:0074-943-0 Copyright © 2012 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.

# SSWS+HPCSW 2012
Scalable and High-Performance Semantic Web Systems

### Proceedings of the Joint Workshop on Scalable and High-Performance Semantic Web Systems - SSWS+HPCSW 2012

#### In conjunction with the International Semantic Web Conference (ISWC2012)

### Boston, USA, November 11, 2012.

Edited by

### Achille Fokoue *
Thorsten Liebig %
Eric Goodman #
Jesse Weaver §
Jacopo Urbani &
David Mizell +

* IBM Watson Research Center, Hawthorne, New York, USA
% derivo GmbH, Ulm, Germany
# Sandia National Laboratories, Albuquerque, NM, USA
§ Rensselaer Polytechnic Institute, Troy, NY, USA
& Vrije Universiteit Amsterdam, Netherlands
+ YarcData, Inc., Seattle, WA, USA

## Complete Workshop Proceedings

SSWS+HPCSW 2012 Proceedings (5MB)

## Table of Contents

- Preface

- FishMark: A Linked Data Application Benchmark 1-15
  Samantha Bail, Sandra Alkiviadous, Bijan Parsia, David Workman, Mark van Harmelen, Rafael S. Gonçalves, Cristina Garilao
- The Combined Approach to OBDA: Taming Role Hierarchies using Filters 16-31
  Carsten Lutz, İnanç Seylan, David Toman, Frank Wolter
- Evaluation of Query Rewriting Approaches for OWL 2 32-44
  Héctor Pérez-Urbina, Edgar Rodríguez-Díaz, Michael Grove, George Konstantinidis, Evren Sirin
- Triangle Finding: How Graph Theory can Help the Semantic Web 45-58
  Edward Jimenez, Eric L. Goodman
- Cascading Map-Side Joins over HBase for Scalable Join Processing 59-74
  Alexander Schätzle, Martin Przyjaciel-Zablocki, Christopher Dorner, Thomas Hornung, Georg Lausen
- Scalable Nonmonotonic Reasoning over RDF Data Using MapReduce 75-90
  Ilias Tachmazidis, Grigoris Antoniou, Giorgos Flouris, Spyros Kotoulas
- A Scalability Metric for Parallel Computations on Large, Growing Datasets (like the Web) 91-96
  Jesse Weaver

29-Nov-2012: submitted by Thorsten Liebig
29-Nov-2012: published on CEUR-WS.org