"EcoLexicon:oceanic_island"^^ . _:b1216329 . "An island that does not sit on a continental shelf, and is of volcanic origin."^^ . "ENVO"^^ . . "volcanic island"^^ . _:b1216329 . . . _:b1216329 . "oceanic island"^^ . "ENVO:00000222"^^ . _:b1216329 . "Wikipedia:Oceanic_island"^^ .