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Ruben Verborgh

Low-Cost Queryable Linked Data through Triple Pattern Fragments

by Ruben Verborgh, Olaf Hartig, Ben De Meester, Gerald Haesendonck, Laurens De Vocht, Miel Vander Sande, Richard Cyganiak, Pieter Colpaert, Erik Mannens, and Rik Van de Walle

For publishers of Linked Open Data, providing queryable access to their dataset is costly. Those that offer a public SPARQL end-point often have to sacrifice high availability; others merely provide non-queryable means of access such as data dumps. We have developed a client-side query execution approach for which servers only need to provide a lightweight triple-pattern-based interface, enabling queryable access at low cost. This paper describes the implementation of a client that can evaluate SPARQL queries over such triple pattern fragments of a Linked Data dataset. Graph patterns of SPARQL queries can be solved efficiently by using metadata in server responses. The demonstration consists of SPARQL client for triple pattern fragments that can run as a standalone application, browser application, or library.

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Published in 2014 in Proceedings of the 13th International Semantic Web Conference: Posters and Demos.

Keywords: Linked Data, Triple Pattern Fragments, SPARQL, metadata

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IEEE
R. Verborgh, O. Hartig, B. De Meester, G. Haesendonck, L. De Vocht, M. Vander Sande, R. Cyganiak, P. Colpaert, E. Mannens, and R. Van de Walle, “Low-Cost Queryable Linked Data through Triple Pattern Fragments,” in Proceedings of the 13th International Semantic Web Conference: Posters and Demos, 2014, vol. 1272, pp. 13–16.
ACM
Ruben Verborgh et al. 2014. Low-Cost Queryable Linked Data through Triple Pattern Fragments. In Proceedings of the 13th International Semantic Web Conference: Posters and Demos. CEUR Workshop Proceedings. 13–16.
LNCS
Verborgh, R., Hartig, O., De Meester, B., Haesendonck, G., De Vocht, L., Vander Sande, M., Cyganiak, R., Colpaert, P., Mannens, E., Van de Walle, R.: Low-Cost Queryable Linked Data through Triple Pattern Fragments. In: Proceedings of the 13th International Semantic Web Conference: Posters and Demos. pp. 13–16 (2014).
APA
Verborgh, R., Hartig, O., De Meester, B., Haesendonck, G., De Vocht, L., Vander Sande, M., … Van de Walle, R. (2014). Low-Cost Queryable Linked Data through Triple Pattern Fragments. In Proceedings of the 13th International Semantic Web Conference: Posters and Demos (Vol. 1272, pp. 13–16).
MLA
Verborgh, Ruben et al. “Low-Cost Queryable Linked Data through Triple Pattern Fragments.” Proceedings of the 13th International Semantic Web Conference: Posters and Demos. Vol. 1272. 2014. 13–16. Print. CEUR Workshop Proceedings.

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