About: http://webisa.webdatacommons.org/281405362

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	The keys at the first level of %fields define the data types to be used for each column, which are named as keys in the second level.
http://www.w3.org/ns/prov#wasQuotedFrom	cpan.org