メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.219170441913 34.7077556960495, 135.219196526345 34.7077625486886, 135.219516813044 34.7078548740558, 135.219352516902 34.7080589025639, 135.219351408964 34.7080749686982, 135.219343068417 34.708196447093, 135.21929993551 34.7082463423108, 135.21922594433 34.7082897008791, 135.218906676529 34.708476826375, 135.218446008249 34.7087523097473, 135.218251393966 34.7087047059922, 135.218346837577 34.7081856610069, 135.218471576751 34.7075987919537, 135.218482227883 34.7075739238201, 135.219170441913 34.7077556960495)) ^^http://www.opengis.net/ont/geosparql#wktLiteral