About: http://webisa.webdatacommons.org/394846686

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	estimation, especially in view of the fact that the sparsity of data available
http://www.w3.org/ns/prov#wasQuotedFrom	nap.edu