<http://webisa.webdatacommons.org/404134022>	<http://www.w3.org/ns/prov#value>	"if x is a pointer" .
<http://webisa.webdatacommons.org/prov/299389572>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/404134022> .
<http://webisa.webdatacommons.org/404134022>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<boost.org> .
<http://webisa.webdatacommons.org/404134022>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .