About: http://webisa.webdatacommons.org/341111480

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	M-key means Meta+key, where Meta is a modifier that can be entered in a variety of ways:
http://www.w3.org/ns/prov#wasQuotedFrom	isc.org