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About

SPLENDID provides a federation infrastructure for distributed, linked RDF data sources. SPARQL queries are executed transparently across a set of pre-configured SPARQL endpoints. Automatic source selection and query optimization is based on statistical information provided by VoiD descriptions.

This is an ongoing research project at the Institute for Web Science and Technologies, University of Koblenz, Germany. Currently, the software is offered as a stable alpha version. New features and updates may be added over time.

Quick Start

svn checkout http://rdffederator.googlecode.com/svn/trunk/ splendid

./SPLENDID.sh SPLENDID-config.n3 eval/queries/cd/

Customizing SPLENDID federation

$>scripts/generate_void_description.sh dump.nt void.n3 * 2nd option: run Java voiD generator on subject-sorted RDF file $>scripts/run_voidgen dump_sorted_by_subject

Technical Overview

Presentation at Consuming Linked Open Data Workshop (ISWC 2011):