About: http://webisa.webdatacommons.org/287973840

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	Which works until you have to include massless particles that are affected by gravity, i.e. the photon, because then you have to do a multiply and divide by zero, and the whole thing stops working.
http://www.w3.org/ns/prov#wasQuotedFrom	countingcats.com