About: http://webisa.webdatacommons.org/438381129

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	In the following sections, the column labeled R/W indicates whether a value is read-only or read/write, and the column labeled Required on create indicates whether a value is required for the creation of an object.
http://www.w3.org/ns/prov#wasQuotedFrom	microsoft.com