About: http://webisa.webdatacommons.org/249079968

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	PoPS is a 'ratio scale' as defined in the 4 classes of On the theory of scales of measurement (Stevens, Science, 1946) since it has an absolute zero.
http://www.w3.org/ns/prov#wasQuotedFrom	openwetware.org