About: http://webisa.webdatacommons.org/356290631

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	A research study has to follow certain guidelines, example two groups, one expose to what they are testing and another a placebo (water pill) and they do not know what they are getting, the size of the group and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.com