メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.288882762212 43.0998546398827, 141.290269837944 43.1010801485545, 141.290740040836 43.1014971993649, 141.290529958101 43.1016257575547, 141.290342071384 43.1017403663422, 141.289573170324 43.1022094111617, 141.288657374453 43.1027791235423, 141.288062911725 43.1031517251561, 141.287417407556 43.1025907743846, 141.286837401726 43.1020646211232, 141.286047893538 43.1013483600274, 141.285809991681 43.1011326990564, 141.286424677741 43.1007553560412, 141.287739907025 43.0999527136489, 141.288476613292 43.099485590866, 141.288882762212 43.0998546398827)) ^^http://www.opengis.net/ont/geosparql#wktLiteral