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Ruben Verborgh

Linked Data-as-a-Service: The Semantic Web Redeployed

Laurens Rietveld, Ruben Verborgh, Wouter Beek, Miel Vander Sande, and Stefan Schlobach

Ad-hoc querying is crucial to access information from Linked Data, yet publishing queryable RDF datasets on the Web is not a trivial exercise. The most compelling argument to support this claim is that the Web contains hundreds of thousands of data documents, while only 260 queryable SPARQL endpoints are provided. Even worse, the SPARQL endpoints we do have are often unstable, may not comply with the standards, and may differ in supported features. In other words, hosting data online is easy, but publishing Linked Data via a queryable API such as SPARQL appears to be too difficult. As a consequence, in practice, there is no single uniform way to query the LOD Cloud today. In this paper, we therefore combine a large-scale Linked Data publication project (LOD Laundromat) with a low-cost server-side interface (Triple Pattern Fragments), in order to bridge the gap between the Web of downloadable data documents and the Web of live queryable data. The result is a repeatable, low-cost, open-source data publication process. To demonstrate its applicability, we made over 650,000 data documents available as data APIs, consisting of 30 billion triples.

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Published in 2015 in The Semantic Web: Latest Advances and New Domains (ESWC2015).

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Cite this article easily using its BibTeX entry: 

@inproceedings{rietveld_eswc_2015,
  author = {Rietveld, Laurens and Verborgh, Ruben and Beek, Wouter and Vander Sande, Miel and Schlobach, Stefan},
  title = {{Linked Data-as-a-Service:} The {Semantic Web} Redeployed},
  booktitle = {The Semantic Web: Latest Advances and New Domains (ESWC2015)},
  series = {Lecture Notes in Computer Science},
  editor = {Gandon, Fabien and Sabou, Marta and Sack, Harald and d'Amato, Claudia and Cudr\'e-Mauroux, Philippe and Zimmermann, Antoine},
  volume = 9088,
  pages = {471--487},
  year = 2015,
  month = may,
  publisher = {Springer},
  url = {https://linkeddatafragments.org/publications/eswc2015-lodl.pdf},
  doi = {10.1007/978-3-319-18818-8_29},
}

Alternatively, pick a reference of your choice below:

ACM
Laurens Rietveld, Ruben Verborgh, Wouter Beek, Miel Vander Sande, and Stefan Schlobach. 2015. Linked Data-as-a-Service: The Semantic Web Redeployed. In The Semantic Web: Latest Advances and New Domains (ESWC2015) (Lecture Notes in Computer Science), Springer, 471–487.
APA
Rietveld, L., Verborgh, R., Beek, W., Vander Sande, M., & Schlobach, S. (2015). Linked Data-as-a-Service: The Semantic Web Redeployed. In F. Gandon, M. Sabou, H. Sack, C. d’Amato, P. Cudré-Mauroux, & A. Zimmermann (Eds.), The Semantic Web: Latest Advances and New Domains (ESWC2015) (Vol. 9088, pp. 471–487). Springer.
IEEE
L. Rietveld, R. Verborgh, W. Beek, M. Vander Sande, and S. Schlobach, “Linked Data-as-a-Service: The Semantic Web Redeployed,” in The Semantic Web: Latest Advances and New Domains (ESWC2015), 2015, vol. 9088, pp. 471–487.
LNCS
Rietveld, L., Verborgh, R., Beek, W., Vander Sande, M., Schlobach, S.: Linked Data-as-a-Service: The Semantic Web Redeployed. In: Gandon, F., Sabou, M., Sack, H., d’Amato, C., Cudré-Mauroux, P., and Zimmermann, A. (eds.) The Semantic Web: Latest Advances and New Domains (ESWC2015). pp. 471–487. Springer (2015).
MLA
Rietveld, Laurens, et al. “Linked Data-as-a-Service: The Semantic Web Redeployed.” The Semantic Web: Latest Advances and New Domains (ESWC2015), edited by Fabien Gandon et al., vol. 9088, Springer, 2015, pp. 471–87.

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