About: http://webisa.webdatacommons.org/22208231

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	This direct current fiow may be in either direction dependent upon whether the positive or negative values of the asymmetrical wave shape are greater.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr