About: http://webisa.webdatacommons.org/197909479

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	During a study, collect two types of data can be collected: primary data and secondary
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net