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Authors: Sven Groppe 1 ; Jinghua Groppe 2 and Volker Linnemann 1

Affiliations: 1 Institute of Information Systems, University of Lübeck, Germany ; 2 no organization, Germany

ISBN: 978-972-8865-88-7

Keyword(s): SparQL, RDF, Optimization, Index, Joins.

Related Ontology Subjects/Areas/Topics: Databases and Information Systems Integration ; Enterprise Information Systems ; Web Databases

Abstract: SparQL is a query language developed by the W3C, the purpose of which is to query a data set in RDF representing a directed graph. Many free available or commercial products already support SparQL processing. Current index-based optimizations integrated in these products typically construct indices on the subject, predicate and object of an RDF triple, which is a single datum of the RDF data, in order to speed up the execution time of SparQL queries. In order to query the directed graph of RDF data, SparQL queries typically contain many joins over a set of triples. We propose to construct and use an index of precomputed joins, where we take advantage of the homogenous structure of RDF data. Furthermore, we present experimental results, which demonstrate the achievable speed-up factors for SparQL processing.

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Paper citation in several formats:
Groppe S.; Groppe J.; Linnemann V. and (2007). USING AN INDEX OF PRECOMPUTED JOINS IN ORDER TO SPEED UP SPARQL PROCESSING.In Proceedings of the Ninth International Conference on Enterprise Information Systems - Volume 3: ICEIS, ISBN 978-972-8865-88-7, pages 13-20. DOI: 10.5220/0002374900130020

@conference{iceis07,
author={Sven Groppe and Jinghua Groppe and Volker Linnemann},
title={USING AN INDEX OF PRECOMPUTED JOINS IN ORDER TO SPEED UP SPARQL PROCESSING},
booktitle={Proceedings of the Ninth International Conference on Enterprise Information Systems - Volume 3: ICEIS,},
year={2007},
pages={13-20},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002374900130020},
isbn={978-972-8865-88-7},
}

TY - CONF

JO - Proceedings of the Ninth International Conference on Enterprise Information Systems - Volume 3: ICEIS,
TI - USING AN INDEX OF PRECOMPUTED JOINS IN ORDER TO SPEED UP SPARQL PROCESSING
SN - 978-972-8865-88-7
AU - Groppe, S.
AU - Groppe, J.
AU - Linnemann, V.
PY - 2007
SP - 13
EP - 20
DO - 10.5220/0002374900130020

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