About: http://webisa.webdatacommons.org/450508157

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Naturally occurring radioactive material, such as uranium and radium, is found in the earth and can be detected in buildings made of bricks, concrete, mortar, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	dri.edu