About: http://webisa.webdatacommons.org/337878660

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	If x is a vector, then > x %*% A %*% xis a quadratic form.1 The function crossprod() forms ???crossproducts???, meaning that crossprod(X, y) is thesame as t(X) %*% y but the operation is more efficient.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net