sparqlPuSH: Proactive notification of data updates in RDF stores using PubSubHubbub

Alexandre Passant, Pablo N. Mendes

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Abstract:

With the growing numbers of status update websites and related wrappers, initiatives modelling sensor data in RDF, as well as the dynamic nature of many Linked Data exporters, there is a need for protocols enabling real-time notification and broadcasting of RDF data updates. In this paper we present a flexible approach that provides such notifications to be delivered in real-time to any RSS or Atom reader. Our framework enables the active delivery of SPARQL query results through the PubSubHubbub (PuSH) protocol upon the arrival of new information in RDF stores. Our open source implementation can be plugged on any SPARQL endpoint and can directly reuse PuSH hubs that are already deployed in scalable clouds (e.g. Google's).

Annotation:

Keywords: (undefined keyword: pubsubhubbub); SPARQL (Simple Protocol and RDF Query Language)0.9;

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