About: http://webisa.webdatacommons.org/22231784

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 data source can be of any format -- plain text file, relational database, other types of database, Excel file, etc., can all act as a data source.
http://www.w3.org/ns/prov#wasQuotedFrom	1keydata.com