メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.581953952313 36.5140357156852, 136.582461886558 36.5140485803617, 136.58299545147 36.5140574150665, 136.582984357338 36.5141179825237, 136.583569365736 36.5141292140964, 136.583496200025 36.5154340084683, 136.583032842768 36.5154191826692, 136.582994029904 36.5154189933497, 136.582437335196 36.5154225418317, 136.581922160765 36.5154200253379, 136.581385214443 36.5154073316861, 136.580377406783 36.5153859235273, 136.580415075156 36.513995199963, 136.581391508361 36.514028072497, 136.581953952313 36.5140357156852)) ^^http://www.opengis.net/ont/geosparql#wktLiteral