About: http://webisa.webdatacommons.org/52560417

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	When the samples had slightly higher levels, the same types of problems arose; unbelievably, the results varied from 25% to nearly 600% of the true value.
http://www.w3.org/ns/prov#wasQuotedFrom	europa.eu