About: http://webisa.webdatacommons.org/81967541

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 various applications, for example to direct the water in a certain pattern and to regulate the velocity and flow of the water stream.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com