About: http://webisa.webdatacommons.org/101708750

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	For example, to understand whether a column is mostly empty (blank or null) or contains good data.
http://www.w3.org/ns/prov#wasQuotedFrom	sqlservercentral.com