About: http://webisa.webdatacommons.org/12636418

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	All classes except one do request or require pre-registration, and each listing includes info on how to register.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com