メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.115618444094 37.8441760999984, 139.115699825412 37.845244086525, 139.115861815341 37.8475208445412, 139.115015086559 37.8475501794218, 139.114072513301 37.84758296416, 139.113995113202 37.8463985295291, 139.113970027276 37.8459061983323, 139.113946736155 37.8454484892583, 139.113940264384 37.8453211136893, 139.113881708135 37.8445720259785, 139.114265505918 37.8443007082845, 139.114834708967 37.8438981971596, 139.115459893568 37.8434820165245, 139.115618444094 37.8441760999984)) ^^http://www.opengis.net/ont/geosparql#wktLiteral