| •owl:Thing |
| •amo:Object |
| •amo:Feature |
| •amo:MarineFeature |
| amo:FeatureID MAX 1 owl:Thing |
| amo:FeatureCode MAX 1 owl:Thing |
| amo:FeatureID HAS min 0 |
| amo:Feature |
Class(amo:MarineFeature partial restriction(amo:FeatureID maxCardinality(1))
restriction(amo:FeatureCode maxCardinality(1))
restriction(amo:FeatureID value("min 0"^^<http://www.w3.org/2001/XMLSchema#string>))
amo:Feature)