<http://webisa.webdatacommons.org/321554545>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/321554545>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/54298381>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/321554545> .
<http://webisa.webdatacommons.org/321554545>	<http://www.w3.org/ns/prov#value>	"the ???rst three numbers is zero, i.e. h + k + i = 0." .