About: http://webisa.webdatacommons.org/451266865

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	In this case, columns of T become truly orthogonal to each other, meaning that that the transpose of a specific column multiplied by any column other than itself will produce a zero result.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com