About: http://webisa.webdatacommons.org/211819231

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	That is, this output is a code indicating not the magnitude of the vector V = (fx, fy) but the argument thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com