<http://webisa.webdatacommons.org/prov/338146973>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/451234321> .
<http://webisa.webdatacommons.org/prov/336893709>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/451234321> .
<http://webisa.webdatacommons.org/451234321>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/451234321>	<http://www.w3.org/ns/prov#value>	"An electromagnetic environment is the various radio waves that equipment such as radio and radar can meet." .
<http://webisa.webdatacommons.org/451234321>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikipedia.org> .