About: http://webisa.webdatacommons.org/20583344

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	Candidates should understand the types of waves (constructive and destructive) and the components of waves,
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com