About: http://webisa.webdatacommons.org/440176030

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 phase of this wave is different from the ones already shown, but note that it???s also twice the frequency, i.e. 100 Hz.
http://www.w3.org/ns/prov#wasQuotedFrom	jeelabs.org