About: http://webisa.webdatacommons.org/310166541

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	These events are said to have time-like separation.So what about events where s^2 is negative (which obviously also means s is a complex, or imaginary, number).
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com