About: http://webisa.webdatacommons.org/436654429

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 electrostatic field alteration can be periodic (e.g., a sine wave, square wave or other periodic function) or non-periodic (e.g., alteration based on linear ramp functions in time, random walks and other non-periodic functions).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com