<http://webisa.webdatacommons.org/prov/482713344>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/432023921> .
<http://webisa.webdatacommons.org/432023921>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/432023921>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<dummies.com> .
<http://webisa.webdatacommons.org/432023921>	<http://www.w3.org/ns/prov#value>	"In mathematics and the sciences, a variable is a symbol (usually a letter of the alphabet) that represents some quantity in a formula." .
<http://webisa.webdatacommons.org/prov/267324061>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/432023921> .