About: http://webisa.webdatacommons.org/141789574

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	we want our groups to be the same on all variables except the treatment
http://www.w3.org/ns/prov#wasQuotedFrom	southalabama.edu