メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.257779704656 35.0149398551756, 136.257950459116 35.0154111060123, 136.257611952619 35.015433457455, 136.256586959097 35.0156194679711, 136.255214180969 35.016019804285, 136.25504728518 35.0157322043, 136.254571310637 35.0148791392439, 136.255489197086 35.0146054875992, 136.256554901141 35.0143018622626, 136.257415327339 35.0140459236788, 136.257779704656 35.0149398551756)) ^^http://www.opengis.net/ont/geosparql#wktLiteral