About: http://webisa.webdatacommons.org/270294159

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	# x_0 is a column vector of all zeros, except a 1 in the position corresponding to node n
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com