メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.979355660151 43.0601418458614, 141.978572839216 43.0608553584417, 141.978538454227 43.0608826366872, 141.97830548093 43.0610674103793, 141.978222783508 43.0610238178171, 141.977403963056 43.061762192998, 141.974968568012 43.0599111514496, 141.975956883514 43.0593360848426, 141.97597171514 43.0593274696644, 141.975951392119 43.0592340878311, 141.9759495486 43.0591905471005, 141.976946336248 43.0598268518627, 141.977719813767 43.0596311991216, 141.977833740427 43.0596347060815, 141.978476574479 43.0595277089952, 141.979076904964 43.0593261477095, 141.979157349272 43.0592069806335, 141.980098038971 43.0583463379081, 141.980684092475 43.0580187611539, 141.983397260214 43.0583008939963, 141.982093748285 43.0585452910392, 141.981381465398 43.0589691486835, 141.980323915684 43.0595737205493, 141.979413978009 43.0600867714772, 141.979355660151 43.0601418458614)) ^^http://www.opengis.net/ont/geosparql#wktLiteral