メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.01468098726 35.0049408971608, 137.01318606869 35.004888514235, 137.012635901443 35.0048623912687, 137.012807049601 35.0037956320192, 137.012360853515 35.003770061895, 137.012404333052 35.0033099433643, 137.012622582695 35.003323039229, 137.013053256866 35.0033516870231, 137.013963036725 35.0034224205949, 137.014027321736 35.0035798366557, 137.014075571315 35.0036824400376, 137.014141187384 35.0038195745711, 137.01468098726 35.0049408971608)) ^^http://www.opengis.net/ont/geosparql#wktLiteral