About: http://webisa.webdatacommons.org/161976771

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	As discussed previously, the preconditions may be weighted based on the data, the source of the data, external events, and other information.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com