Subject	Predicate	Object	Graph
xhv:bookmark http://www.w3.org/1999/xhtml/vocab#bookmark	rdfs:comment http://www.w3.org/2000/01/rdf-schema#comment	bookmark refers to a bookmark ...... within an extended document. http://www.w3.org/2001/XMLSchema#string	graph:default https://triplydb.com/w3c/xhv/graphs/default