メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.694457892352 35.1495916912863, 138.695524091733 35.1498129775619, 138.69641353033 35.149971305564, 138.697023619595 35.1500768491975, 138.697703129931 35.150184740336, 138.697694826358 35.1504870904023, 138.696050480089 35.1513047020646, 138.694621861224 35.1520150333926, 138.692262848602 35.1531646147729, 138.692031300241 35.1532776686041, 138.691872642365 35.1525924784193, 138.691544302432 35.1510903513293, 138.691024810851 35.1487039243962, 138.691067117373 35.1487187156015, 138.691604860897 35.1488764459852, 138.6925126324 35.149133929206, 138.693450559274 35.1493690327417, 138.694457892352 35.1495916912863)) ^^http://www.opengis.net/ont/geosparql#wktLiteral