About: http://webisa.webdatacommons.org/331125702

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	Nuclear materials of proliferation concern include materials of the types and quantities that can be most easily and directly used in a nuclear weapon.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov