About: http://webisa.webdatacommons.org/151609964

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	In another embodiment, the electric field is a pulsed waveform with bidirectional voltage or current pulses.04-19-2012
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org