About: http://webisa.webdatacommons.org/31249789

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	about the sampling and the marking processes such as each sample is a simple random sample and
http://www.w3.org/ns/prov#wasQuotedFrom	pitt.edu