メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.091104715588 36.6969376632043, 137.091106667516 36.6970840383301, 137.091082741127 36.6975814398494, 137.090963647236 36.6980819524032, 137.090799451881 36.6985995430615, 137.090649751416 36.6989937220769, 137.089311270435 36.6987278689018, 137.089404048699 36.6983319647792, 137.089022613652 36.6982622319449, 137.089029051298 36.6973877240597, 137.089018314451 36.6969840811096, 137.089536378384 36.6968588083139, 137.089386489167 36.6963653791018, 137.090902417392 36.6960878074618, 137.091049250793 36.6965591267219, 137.091104715588 36.6969376632043)) ^^http://www.opengis.net/ont/geosparql#wktLiteral