メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.691889025953 35.3152145861613, 136.691222217175 35.3154537474684, 136.690535167251 35.3149254262527, 136.689571054679 35.3142115817207, 136.690463086828 35.3134256290904, 136.69074306056 35.313409397769, 136.691191998 35.3134068528207, 136.691508941426 35.3133863982545, 136.69175733189 35.3133570835814, 136.692063926555 35.3133063752694, 136.692180255143 35.3132851379763, 136.692238701806 35.3133913522953, 136.692917448425 35.3145823153994, 136.692856411031 35.314595529066, 136.691787500345 35.3147620739173, 136.691889025953 35.3152145861613)) ^^http://www.opengis.net/ont/geosparql#wktLiteral