<http://webisa.webdatacommons.org/253040649>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ufl.edu> .
<http://webisa.webdatacommons.org/prov/246399835>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/253040649> .
<http://webisa.webdatacommons.org/253040649>	<http://www.w3.org/ns/prov#value>	"the degree of complexity was gradually increased up to cases such as oil" .
<http://webisa.webdatacommons.org/253040649>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .