メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.08031362601 39.9187989214002, 140.077766550076 39.9190189320711, 140.077705588008 39.9183482207355, 140.077726273767 39.9180197732325, 140.07775562363 39.9168961957857, 140.077795353104 39.9154129047585, 140.07807743496 39.9153884589933, 140.078291458018 39.9153372689632, 140.078428276574 39.9153184472493, 140.078521777165 39.9153584899289, 140.078589502826 39.9154115055363, 140.078605871467 39.9154773195116, 140.079817383514 39.915368551939, 140.080007547002 39.9167235571556, 140.08031362601 39.9187989214002)) ^^http://www.opengis.net/ont/geosparql#wktLiteral