Named Graph support for RDF graphs

[charlesivie]

RDF data may be organised into Named Graphs, but the explorer has no way of filtering by them.

Add support to filter by RDF Named graph.

[Samxx97]

I noticed this is currently in the backlog

May i work on this ?in our team we need it very badly , and I am willing to work on it , I Think have enough technical expertise with SPARQL and RDF to work on this

[beebs-systap]

@Samxx97 Yes, we're open to your contribution here.

[kmcginnes]

@Samxx97 Go for it! Feel free to ask any questions. I'm here to help.