About: http://webisa.webdatacommons.org/409015834

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	The gradient is a vector that points up hill and has magnitude equal to the slope.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com