About: http://webisa.webdatacommons.org/414250899

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	It seems you can not get a consistent measure of goods by randomly pouring spheres such as oranges or grains into a vessel, say American researchers.
http://www.w3.org/ns/prov#wasQuotedFrom	newscientist.com