メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.734477843869 35.4257272849591, 136.734492854922 35.4261547875164, 136.734509577565 35.4265195171344, 136.734510539016 35.4265409634128, 136.734654172986 35.426927555492, 136.734796738872 35.4272807648872, 136.734360261075 35.4273994795158, 136.734536860147 35.4278559046607, 136.733686161683 35.4280812613029, 136.732975565263 35.4282582442783, 136.732423458467 35.4283757245587, 136.732434052841 35.4283893886529, 136.731711487671 35.4285674468698, 136.731415683809 35.4281625951194, 136.731199042095 35.4278203818303, 136.730974441932 35.4274144444815, 136.730761583363 35.4269773533291, 136.730414053477 35.4261873210878, 136.731070203434 35.4260137832221, 136.732632680112 35.4256331972683, 136.734343734847 35.4252089700517, 136.734501328832 35.4256470537852, 136.734477843869 35.4257272849591)) ^^http://www.opengis.net/ont/geosparql#wktLiteral