<http://dbpedia.org/resource/Gravity_wave>	<http://www.w3.org/2000/01/rdf-schema#seeAlso>	<http://dbpedia.org/resource/Undular_bore> .
<http://dbpedia.org/resource/Gravity_wave>	<http://dbpedia.org/ontology/thumbnail>	<http://commons.wikimedia.org/wiki/Special:FilePath/Waves.jpg?width=300> .
<http://dbpedia.org/resource/Gravity_wave>	<http://xmlns.com/foaf/0.1/depiction>	<http://commons.wikimedia.org/wiki/Special:FilePath/Waves.jpg> .
<http://dbpedia.org/resource/Gravity_wave>	<http://www.w3.org/2000/01/rdf-schema#comment>	"In fluid dynamics, gravity waves are waves generated in a fluid medium or at the interface between two media when the force of gravity or buoyancy tries to restore equilibrium."@en .