SMART-KG: Hybrid Shipping for SPARQL Querying on the Web

Azzam Amr, Javier David Fernandez Garcia, Acosta Maribel, Axel Polleres

Publication: Working/Discussion PaperWU Working Paper

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Abstract

While Linked Data (LD) provides standards for publishing (RDF) and (SPARQL) querying Knowledge Graphs (KGs) on the Web, serving, accessing and processing such open, decentralized KGs is often practically impossible, as query timeouts on publicly available SPARQL endpoints show. Alternative solutions such as Triple Pattern Fragments (TPF) attempt to tackle the problem of availability by pushing query processing workload to the client side, but suffer from unnecessary transfer of irrelevant data on complex queries with large intermediate results. In this paper we present smart-KG, a novel approach to share the load between servers and clients, while significantly reducing data transfer volume, by combining TPF with shipping compressed KG partitions. Our evaluations show that outperforms state-of-the-art client-side solutions and increases server-side availability towards more cost-effective and balanced hosting of open and decentralized KGs.
Original languageEnglish
Place of PublicationVienna
PublisherDepartment für Informationsverarbeitung und Prozessmanagement
DOIs
Publication statusPublished - 16 Jan 2020

Publication series

SeriesWorking Papers on Information Systems, Information Business and Operations
Number2020/01
ISSN2518-6809

WU Working Paper Series

  • Working Papers on Information Systems, Information Business and Operations

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