<http://webisa.webdatacommons.org/259895405>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nju.edu.cn> .
<http://webisa.webdatacommons.org/259895405>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/516246970>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/259895405> .
<http://webisa.webdatacommons.org/259895405>	<http://www.w3.org/ns/prov#value>	"where p is a prime and x is an integer." .