メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.803754551236 35.2926475389991, 136.803682604786 35.2927844358753, 136.803180179254 35.2937087042039, 136.803190659602 35.2937469052349, 136.802626907998 35.2935525995, 136.802301908696 35.2934419709512, 136.801999193046 35.2933331684038, 136.801509697223 35.293177884903, 136.801616271415 35.2929527130863, 136.801930265427 35.2923001369424, 136.802131949443 35.2918866589928, 136.802185242616 35.2917725232913, 136.802719327612 35.2919433608577, 136.803337571898 35.2921655776085, 136.803907440276 35.2923591935756, 136.803754551236 35.2926475389991)) ^^http://www.opengis.net/ont/geosparql#wktLiteral