メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.183463927887 34.6860493789047, 135.183910798092 34.6862931907642, 135.184550157653 34.6866493124366, 135.184504402033 34.6867104822262, 135.184303043469 34.687029661387, 135.184144942281 34.6873102249966, 135.184072527152 34.6874324307728, 135.183817869956 34.6878759349277, 135.183504037358 34.6876031765603, 135.183083068753 34.6872590471087, 135.182622740245 34.6868760332911, 135.182268539159 34.6865818610521, 135.182700879195 34.6861709256901, 135.182916644352 34.6859260205631, 135.183005383233 34.6857991941025, 135.183463927887 34.6860493789047)) ^^http://www.opengis.net/ont/geosparql#wktLiteral