メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.930894283272 34.7352050130274, 137.932824597335 34.7352897602292, 137.933789647128 34.7353480395749, 137.933771867165 34.7357854594428, 137.93367780013 34.7369830146694, 137.933667734853 34.737371169905, 137.933396500221 34.7373610388382, 137.932684142847 34.7373259009216, 137.932265386251 34.7373052231194, 137.932260456256 34.7373774595661, 137.930753852668 34.7373055184668, 137.929762853462 34.7372582199826, 137.929783250806 34.7368030664701, 137.929907174839 34.7351728081064, 137.930894283272 34.7352050130274)) ^^http://www.opengis.net/ont/geosparql#wktLiteral