About: http://webisa.webdatacommons.org/182847403

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	Y = -x, for example, is a line with a negative slope, which means it moves down and to the right rather than up and to the right as y = x does.
http://www.w3.org/ns/prov#wasQuotedFrom	wyzant.com