<http://webisa.webdatacommons.org/64892084>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/516247373>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/64892084> .
<http://webisa.webdatacommons.org/prov/516247288>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/64892084> .
<http://webisa.webdatacommons.org/64892084>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikipedia.org> .
<http://webisa.webdatacommons.org/64892084>	<http://www.w3.org/ns/prov#value>	"where p is a strictly positive continuously differentiable function and q and r are continuous real-valued functions." .