About: http://webisa.webdatacommons.org/368151733

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	The type constants SINE, SQUARE, SAWTOOTH and TRIANGLE are not defined at all except for their names.
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org