<http://ogp.me/ns/class#url>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://ogp.me/ns/class#string> .
<http://ogp.me/ns#audio:secure_url>	<http://www.w3.org/2000/01/rdf-schema#range>	<http://ogp.me/ns/class#url> .
<http://ogp.me/ns#image>	<http://www.w3.org/2000/01/rdf-schema#range>	<http://ogp.me/ns/class#url> .
<http://ogp.me/ns/class#url>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2000/01/rdf-schema#Datatype> .
<http://ogp.me/ns#video:secure_url>	<http://www.w3.org/2000/01/rdf-schema#range>	<http://ogp.me/ns/class#url> .
<http://ogp.me/ns/class#url>	<http://www.w3.org/2000/01/rdf-schema#isDefinedBy>	<http://ogp.me/ns/class#> .
<http://ogp.me/ns#video>	<http://www.w3.org/2000/01/rdf-schema#range>	<http://ogp.me/ns/class#url> .
<http://ogp.me/ns/class#url>	<http://www.w3.org/2000/01/rdf-schema#comment>	"A string of Unicode characters forming a valid URL having the http or https scheme." .
<http://ogp.me/ns#image:secure_url>	<http://www.w3.org/2000/01/rdf-schema#range>	<http://ogp.me/ns/class#url> .
<http://ogp.me/ns#url>	<http://www.w3.org/2000/01/rdf-schema#range>	<http://ogp.me/ns/class#url> .
<http://ogp.me/ns/class#url>	<http://www.w3.org/2000/01/rdf-schema#label>	"URL" .
<http://ogp.me/ns#audio>	<http://www.w3.org/2000/01/rdf-schema#range>	<http://ogp.me/ns/class#url> .