About: http://webisa.webdatacommons.org/207196637

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	For example, you knew there was a pressure difference but you had a lot harder time explaining what caused the pressure difference.
http://www.w3.org/ns/prov#wasQuotedFrom	rcgroups.com