About: http://webisa.webdatacommons.org/429821521

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	can be solved by using instrumental variables" is an attempt to sidestep the primary issue that the variables are not measurable.
http://www.w3.org/ns/prov#wasQuotedFrom	justia.com