About: http://webisa.webdatacommons.org/399656993

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	Since most propagation occurs in air which is quite linear, this is more a theoretical problem than a practical one.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com