About: http://webisa.webdatacommons.org/102894939

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	Similarly, other components such as sources, modulators, and converters often include guided regions that confine electromagnetic (EM) energy.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com