About: http://webisa.webdatacommons.org/387995705

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	I use it to highlight cases when there is a value (usually from another worksheet) that I want to refer to in a formula, and I want it to appear near the place it is being used.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com