<http://webisa.webdatacommons.org/prov/93156999>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/115633706> .
<http://webisa.webdatacommons.org/115633706>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/115633706>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<go4expert.com> .
<http://webisa.webdatacommons.org/115633706>	<http://www.w3.org/ns/prov#value>	"// It is used to determine if the file is an image by checking the extension." .