<http://www.w3.org/1999/xhtml/vocab#bookmark>	<http://www.w3.org/2000/01/rdf-schema#comment>	"bookmark refers to a bookmark - a link\n      to a key entry point within an extended document. "^^<http://www.w3.org/2001/XMLSchema#string> .
<http://www.w3.org/1999/xhtml/vocab#bookmark>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#Property> .
<http://www.w3.org/1999/xhtml/vocab#bookmark>	<http://www.w3.org/2000/01/rdf-schema#member>	<http://www.w3.org/1999/xhtml/vocab#relrev-properties> .
<http://www.w3.org/1999/xhtml/vocab#bookmark>	<http://www.w3.org/ns/rdfa#term>	"bookmark" .