<http://webisa.webdatacommons.org/prov/67201347>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/172312839> .
<http://webisa.webdatacommons.org/172312839>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<opengroup.org> .
<http://webisa.webdatacommons.org/prov/83549494>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/172312839> .
<http://webisa.webdatacommons.org/172312839>	<http://www.w3.org/ns/prov#value>	"The calling application may use this information to determine whether the presence or absence" .
<http://webisa.webdatacommons.org/172312839>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .