About: http://webisa.webdatacommons.org/180151590

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	But I think the slope is already greater than zero.here is an analogy or thought experiment that was written by Weightless" in a post in the Orbiter Forum on January 7.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com