メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.60604274582 35.3215717165323, 136.605410460014 35.3196360005373, 136.604551087249 35.3169288090024, 136.606534221587 35.316858325444, 136.606563439245 35.3168571938871, 136.606782022289 35.3180405221267, 136.606973536256 35.3190819032717, 136.607034077766 35.3193923034865, 136.60724410558 35.320534546938, 136.607404030416 35.3214167898982, 136.606097950343 35.3215654243495, 136.60604274582 35.3215717165323)) ^^http://www.opengis.net/ont/geosparql#wktLiteral