メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.094045946042 35.8597274174446, 140.093765607351 35.8597702747641, 140.093030377034 35.8598642659743, 140.092480436755 35.8599213545887, 140.091652325122 35.8600233218354, 140.09079886228 35.8601047072473, 140.089291742091 35.8602905375567, 140.088537419981 35.8602353662379, 140.088076469283 35.8602136410775, 140.086833269287 35.8601329983371, 140.086582350204 35.8590240143596, 140.088742406693 35.8588803030586, 140.093654877367 35.858206016921, 140.094045946042 35.8597274174446)) ^^http://www.opengis.net/ont/geosparql#wktLiteral