About: http://webisa.webdatacommons.org/149920869

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	columns are an orthonormal basis for the null space of F , so that F U = 0, U T U = I,
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com