Geographic Ontology for the Semantic Web. Ontologia Geografica per il Web Semantico. 0.0.2 GeoOntology Administrative Division Type Semidependent Country Sea Lake Glacier Bay Promontory Port Natural Park 1 First-Order Administrative Division 1 Dependent Country Structure (Human Building) Geographic Extension 1 1 0 0 1 Volcano Atoll Canal Planet Airport Dam Sea Entity Bridge Gulf River (or Stream) Spit 1 Populated Place (City or Town) 1 1 1 1 1 1 Desert Independent Country Forest 1 0 Special Territory Plain Geopolitical Entity Road Third-Order Administrative Division 1 1 1 1 Time Zone Geyser 1 1 Fourth-Order Administrative Division Street (or Highway) Geophysical Entity Island 1 Continent 1 0 Country 1 Second-Order Administrative Division 1 Peninsula Land Entity Ocean Freely Associated Country Spring Coral Reef Leader Title Not Recognized Country Hill Railway Monument Geographic Place or Structure 1 Convenience class for properties only 1 1 0 0 Mountain Oasis true false