About: http://webisa.webdatacommons.org/299956974

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	Also Walsh sequences are the basis for a particularly well-known set of two-dimensional orthogonal patterns called Haadamard patterns.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr