About: http://webisa.webdatacommons.org/99619048

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	Certainly it could be in lower case on the basis of the context you state, but I would tend to use upper case because it is an organisation, regardless of whether it is unique or one of many.
http://www.w3.org/ns/prov#wasQuotedFrom	usingenglish.com