メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.645630036477 34.798568890042, 134.644740704618 34.7993502724279, 134.643796050471 34.800206584127, 134.642043384712 34.7994759256815, 134.641065916198 34.7990916170633, 134.641306616043 34.798850277987, 134.64144893585 34.7987111703763, 134.64167898804 34.7984771812341, 134.642032168608 34.7981158244217, 134.642524698256 34.797622546963, 134.642937143015 34.7971690540242, 134.643303096494 34.7967451195431, 134.644152297881 34.7974110317771, 134.645630036477 34.798568890042)) ^^http://www.opengis.net/ont/geosparql#wktLiteral