About: http://webisa.webdatacommons.org/323901902

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	NSF, the NIH, the National Endowment for the Humanities and other organizations have similar requirements, and Duke policy requires that research records (including digital data) be kept for at least five years.
http://www.w3.org/ns/prov#wasQuotedFrom	duke.edu