メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.89133915127 38.7728571701674, 139.882313544646 38.775334342779, 139.882053999819 38.7754074009593, 139.879943321981 38.7705263818894, 139.880177594141 38.7704460846602, 139.881792362733 38.7699683842642, 139.881158766348 38.7685178962747, 139.880952696044 38.7680795787993, 139.880498990874 38.7670842226262, 139.882820752152 38.7664685395626, 139.886937895585 38.7653827214725, 139.889523620999 38.7646482940529, 139.890268157818 38.7652749150686, 139.891388559746 38.7662440737768, 139.891979967797 38.7667455790154, 139.892630900555 38.767342713457, 139.893550403657 38.7681705961206, 139.89422384262 38.7687535435163, 139.895320112634 38.7697130323517, 139.896229163022 38.7704169390347, 139.896049323641 38.7705296554515, 139.895918775759 38.7705922333228, 139.895776302948 38.7706386683767, 139.895495519546 38.7707156665425, 139.893687187042 38.7711915681465, 139.894068366309 38.7721118231094, 139.89133915127 38.7728571701674)) ^^http://www.opengis.net/ont/geosparql#wktLiteral