メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.919303612887 37.7990076199447, 138.920572892224 37.7990621041823, 138.92051440284 37.7997133149674, 138.920679003154 37.7999313748844, 138.920833912439 37.800168754947, 138.921744757423 37.8002129569822, 138.922232479285 37.8002402177731, 138.922854419824 37.8002824814197, 138.922774512414 37.8018945069635, 138.922706126832 37.8026427571832, 138.922167166117 37.8019952307311, 138.92139566961 37.8010621660144, 138.920468098015 37.8011288199134, 138.918945710037 37.8012374180722, 138.917629607986 37.8013272459804, 138.917450267598 37.8002077726198, 138.917393565829 37.7998820479217, 138.917380577237 37.7997491901133, 138.917331486786 37.7992467514673, 138.917239784899 37.798320973439, 138.917471844548 37.7983909713047, 138.91755184335 37.7982301900264, 138.917525971135 37.7981726993559, 138.917491394348 37.7980817314534, 138.917459744588 37.7979354238377, 138.917550730402 37.7979691747523, 138.917588494509 37.7978856950937, 138.917635387429 37.7977299574804, 138.917669638645 37.7975977780626, 138.91765923596 37.797507148345, 138.91779047571 37.7975061209045, 138.918089204258 37.7974980266525, 138.918113847306 37.7976363342054, 138.91815967784 37.7978743842933, 138.918173111195 37.7979755634682, 138.918203809865 37.7981260983546, 138.918242534853 37.798213108434, 138.9183027065 37.7982963826427, 138.918497209244 37.7984701311005, 138.919062202789 37.7982576532131, 138.919020994424 37.7988219361391, 138.919303612887 37.7990076199447)) ^^http://www.opengis.net/ont/geosparql#wktLiteral