メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.701562197109 35.4547282883574, 136.701564255164 35.4556374362866, 136.701560263753 35.4570869530996, 136.699697709375 35.457073793977, 136.699347861026 35.4571613119493, 136.699246500105 35.4549079113791, 136.699434901734 35.453003355758, 136.700564876714 35.4530773229943, 136.701570887828 35.4531431624893, 136.701569687382 35.4544448822077, 136.701562197109 35.4547282883574)) ^^http://www.opengis.net/ont/geosparql#wktLiteral