About: http://webisa.webdatacommons.org/8728902

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	what is more, the compiler can tell you when the structure you are trying to create does not make sense, for example if you were to try to multiply two matrices whose underlying elements can not be multiplied.
http://www.w3.org/ns/prov#wasQuotedFrom	sigfpe.com