Extended CURIE (prefix:localName:key)

In the post Assigning a URI to each node of an RDF graph, I described the mechanism that enables all nodes to get URIs. For example, the age of a person identified by the URI reference http://chucknorris.com/data_/chuck can be described by using a “classic” blank node as follows (using the Turtle syntax): <http://chucknorris.com/data_/chuck> foaf:age [ [...]