メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.405522397049 34.7220010933607, 135.405609861389 34.7222417445976, 135.404250969716 34.7225685129857, 135.404166271626 34.7223300911462, 135.404081920988 34.7220658890776, 135.404671436608 34.72193675225, 135.404806851062 34.7219043860843, 135.404796201503 34.7218769178153, 135.404921427158 34.7218514760496, 135.404929232719 34.7218751363573, 135.404935061584 34.7218928238921, 135.405076580543 34.7218609274183, 135.405070892285 34.7218412770822, 135.405428906733 34.7217557066172, 135.405522397049 34.7220010933607)) ^^http://www.opengis.net/ont/geosparql#wktLiteral