What is a Named Graph

A uriref or a blank node is interpreted as a graph.

Syntax

 G1 (Monica ex:name  Monica Murphy . 
      Monica rdf:type ex:Person . 
      Monica ex:homepage  )
 _:G3 (G1 dc:author Chris. 
      _:G3 dc:author Chris )
 

Also TriX (Carroll-Stickler), N3