<http://dbpedia.org/resource/Sapping>	<http://dbpedia.org/ontology/thumbnail>	<http://commons.wikimedia.org/wiki/Special:FilePath/Sap_Roller.jpg?width=300> .
<http://dbpedia.org/resource/Sapping>	<http://xmlns.com/foaf/0.1/depiction>	<http://commons.wikimedia.org/wiki/Special:FilePath/Sap_Roller.jpg> .
<http://dbpedia.org/resource/Sapping>	<http://www.w3.org/2000/01/rdf-schema#comment>	"Sapping is a term used in siege operations. Any trench excavated under defensive musket or artillery fire that was intended to advance a besieging army's position in relation to the works of an attacked fortification was referred to as a sap."@en .