SpEnD Portal: Linked Data Discovery using SPARQL Endpoints
Yumusak, Semih and Aras, Riza Emre and Uysal, Elif and Dogdu, Erdogan
and Kodaz, Halife and Oztoprak, Kasim
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Abstract
We present the project SpEnD, a complete SPARQL endpoint discovery and
analysis portal. In a previous study, the SPARQL endpoint discovery and
analysis steps of the SpEnD system were explained in detail. In the
SpEnD portal, the SPARQL endpoints are extracted from the web by using
web crawling techniques, monitored and analyzed by live querying the
endpoints systematically. After many sustainability improvements in the
SpEnD project, the SpEnD system is now online as a portal. SpEnD portal
curreently serves 1487 SPARQL endpoints, out of which 911 endpoints are
uniquely found by SpEnD only when compared to the other existing SPARQL
endpoint repositories. In this portal, the analytic results and the
content information are shared for every SPARQL endpoint. The endpoints
stored in the repository are monitored and updated continuously.... Show more Show less