About: http://webisa.webdatacommons.org/176576616

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	Nobody is asking for more vendor prefixes and we can not regulate those anyway, but it is worth noting that there are two major types of use:
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org