<http://webisa.webdatacommons.org/201287137>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wisegeek.com> .
<http://webisa.webdatacommons.org/201287137>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/201287137>	<http://www.w3.org/ns/prov#value>	"This is caused by a reaction between the dust and the oils and other chemicals left behind by the person who last touched the surface." .
<http://webisa.webdatacommons.org/prov/459826125>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/201287137> .