About: http://webisa.webdatacommons.org/120434892

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	Unfortunately Climb subclassing Speed was a mistake, because although negative Speeds are nonsensical, negative Climbs just mean you are losing altitude.
http://www.w3.org/ns/prov#wasQuotedFrom	twistedmatrix.com