About: http://webisa.webdatacommons.org/398696410

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	vectors, such as addition, subtraction, dot products, cross products, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	freelists.org