メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.226567486562 40.6323648397868, 141.226851538627 40.6323845561073, 141.227333163319 40.6324180228653, 141.228259923641 40.6324823283642, 141.228268979741 40.6324829295782, 141.22876569539 40.6325173922974, 141.229116515362 40.6325417300777, 141.229118460095 40.632542357438, 141.229150872604 40.6331030226206, 141.229185607696 40.6337044183657, 141.228338545082 40.6337361030826, 141.226673360736 40.6337982979291, 141.226673007409 40.6337933024839, 141.22666118929 40.6337938363596, 141.22585156396 40.6338318470819, 141.225812552448 40.6331811394397, 141.225755005116 40.6322204120321, 141.225786426427 40.6322081340641, 141.226009777918 40.6323261423459, 141.226567486562 40.6323648397868)) ^^http://www.opengis.net/ont/geosparql#wktLiteral