About: http://webisa.webdatacommons.org/121948324

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	Exemplary block type designations are identified by labels including a ???BT??? followed by a distinguishing number (e.g., 3, 6, 101, 20, etc.) that distinguishes one block type from the others.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com