<http://webisa.webdatacommons.org/3892987>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/452400139>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/3892987> .
<http://webisa.webdatacommons.org/3892987>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ietf.org> .
<http://webisa.webdatacommons.org/3892987>	<http://www.w3.org/ns/prov#value>	" value pairs. The attributes may be information such as vendor," .