About: http://webisa.webdatacommons.org/23272874

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	The difference between the two types is in how the study is actually conducted.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.hk