About: http://webisa.webdatacommons.org/421693510

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	In order to evaluate whether the individuals who are willing to participate form a suitable group, information such as birth date, gender, tobacco usage, etc. is obtained to sort the individuals into different categories.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com