メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.626244835681 35.3583180388348, 136.625396701095 35.3583048762447, 136.62543351704 35.358591237715, 136.625463245135 35.3588255950303, 136.625212261254 35.3588153156752, 136.625187540685 35.3585843601384, 136.625149834346 35.3582970084917, 136.625103733972 35.3579456761398, 136.625435220402 35.3579489229684, 136.626185534984 35.3579741122425, 136.626244835681 35.3583180388348)) ^^http://www.opengis.net/ont/geosparql#wktLiteral