About: http://webisa.webdatacommons.org/114092456

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	Constants???Defines property references for the built-in and custom properties that this add-in imports and exports, and contains other constants, such as the display names and data types of the properties.
http://www.w3.org/ns/prov#wasQuotedFrom	microsoft.com