<http://webisa.webdatacommons.org/prov/459987461>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/413292637> .
<http://webisa.webdatacommons.org/413292637>	<http://www.w3.org/ns/prov#value>	"materials, such as tree bark." .
<http://webisa.webdatacommons.org/413292637>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slideshare.net> .
<http://webisa.webdatacommons.org/413292637>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .