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Ladda: SPARQL Queries in the Fog of Browsers

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Book cover The Semantic Web: ESWC 2017 Satellite Events (ESWC 2017)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 10577))

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Abstract

Clients of Triple Pattern Fragments (TPF) interfaces demonstrate how a SPARQL query engine can run within a browser and re-balance the load from the server to the clients. Imagine connecting these browsers using a browser-to-browser connection, sharing bandwidth and CPU. This builds a fog of browsers where end-user devices collaborate to process SPARQL queries over TPF servers. In this demo, we present Ladda: a framework for query execution in a fog of browsers. Thanks to client-side inter-query parallelism, Ladda reduces the makespan of the workload and improves the overall throughput of the system.

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Notes

  1. 1.

    https://webrtc.org/.

  2. 2.

    If compatible with the USEWOD usage agreement, otherwise, we will use synthetic queries.

References

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Acknowledgement

We thank Thibaud Courtoison, Maël Quémard and Sylvain Vuylsteke, students of the Computer Science Department at the University of Nantes for implementing the interface of Ladda.

Author information

Authors and Affiliations

  1. LS2N – Nantes University, Nantes, France

    Arnaud Grall, Pauline Folz, Hala Skaf-Molli & Pascal Molli

  2. Nantes Métropole – Research, Innovation and Graduate Education Department, Nantes, France

    Pauline Folz

  3. Department of Computer Science, Aalborg University, Aalborg, Denmark

    Gabriela Montoya

  4. Ghent University – imec – IDLab, Ghent, Belgium

    Miel Vander Sande & Ruben Verborgh

Authors
  1. Arnaud Grall
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  2. Pauline Folz
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  3. Gabriela Montoya
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  4. Hala Skaf-Molli
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  5. Pascal Molli
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  6. Miel Vander Sande
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  7. Ruben Verborgh
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Corresponding author

Correspondence to Arnaud Grall .

Editor information

Editors and Affiliations

  1. Linköping University, Linköping, Sweden

    Eva Blomqvist

  2. Aalborg University, Aalborg, Denmark

    Katja Hose

  3. University of Mannheim, Mannheim, Germany

    Heiko Paulheim

  4. Poznan University of Technology, Poznan, Poland

    Agnieszka Ławrynowicz

  5. University of Sheffield, Sheffield, United Kingdom

    Fabio Ciravegna

  6. Linköping University, Linköping, Sweden

    Olaf Hartig

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Grall, A. et al. (2017). Ladda: SPARQL Queries in the Fog of Browsers. In: Blomqvist, E., Hose, K., Paulheim, H., Ławrynowicz, A., Ciravegna, F., Hartig, O. (eds) The Semantic Web: ESWC 2017 Satellite Events. ESWC 2017. Lecture Notes in Computer Science(), vol 10577. Springer, Cham. https://doi.org/10.1007/978-3-319-70407-4_24

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  • DOI: https://doi.org/10.1007/978-3-319-70407-4_24

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-70406-7

  • Online ISBN: 978-3-319-70407-4

  • eBook Packages: Computer ScienceComputer Science (R0)

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