メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.000411891279 34.9054760361072, 137.000307219048 34.9055189948318, 137.000097849439 34.9056274497989, 136.999552417719 34.9050944816123, 136.999398342745 34.9049485549144, 136.999274054925 34.9048478842194, 136.999127711304 34.9047731708546, 136.999013557042 34.9047599840682, 136.998906994815 34.9047601900394, 136.998697788432 34.9047887070421, 136.998478619227 34.9048191120772, 136.998349172342 34.9048066788485, 136.998269557785 34.9047819892814, 136.998231095773 34.9047151709455, 136.998203884058 34.9046289998843, 136.999933885387 34.9036098917814, 136.999614677273 34.9032453428773, 137.000122108215 34.902869670554, 137.001446321354 34.9042847472625, 137.001075677373 34.9047303341282, 137.00087100011 34.9049885262159, 137.000653890211 34.9052323334188, 137.000411891279 34.9054760361072)) ^^http://www.opengis.net/ont/geosparql#wktLiteral