Query Geospatial Data using SPARQL Query Language
I will soon put my full attention writing a very simple introduction to SPARQL will make these demos much easier to understand. For now though, this is fundamentally about demonstrating a query solution production workflow that involves
 Query Parsing
 Cost Analysis & Solution Plan Building that includes Image-Processing
PivotViewer Page Links
SPARQL Query Source Code Links
 OpenLink Virtuoso — High-Performance, Scalable, and Secure Multi-Model RDBMS that supports SPARQL & SQL Query Languages
 Linked Open Data Cloud Cache — URIBurner Service (Live Virtuoso Instance) .