<http://webisa.webdatacommons.org/400915035>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikipedia.org> .
<http://webisa.webdatacommons.org/prov/58676858>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/400915035> .
<http://webisa.webdatacommons.org/400915035>	<http://www.w3.org/ns/prov#value>	"Equations can be classified by the types of operations and quantities involved." .
<http://webisa.webdatacommons.org/400915035>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .