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

[1] Query Parsing
[2] Cost Analysis & Solution Plan Building that includes Image-Processing
[3] Data Visualization using an HTML5 & Javascript page.

Screenshots

Polygon and multiple points on a map
Lines and multiple points on a map

PivotViewer Page Links

[1] Polygon and multiple points on a map

[2] Multiple Polygons and multiple points on a map

[3] Lines and multiple points on a map.

SPARQL Query Source Code Links

[1] Polygon and multiple points on a map

[2] Multiple Polygons and multiple points on a map

[3] Lines and multiple points on a map.

Tools Used

[1] OpenLink Virtuoso — High-Performance, Scalable, and Secure Multi-Model RDBMS that supports SPARQL & SQL Query Languages

[2] Linked Open Data Cloud Cache — URIBurner Service (Live Virtuoso Instance) .