About: http://webisa.webdatacommons.org/193719136

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	where W(a,b) designates the discrete one-dimensional Walsh function of order a on N points, given by the equation: ##EQU1## where f(r,a,b)=sgn cos(Kr,4.2r.??.(b/N))!, where r is an integer,
http://www.w3.org/ns/prov#wasQuotedFrom	google.es