メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.905527151618 35.2125279743863, 136.905523976807 35.2125742368191, 136.904979469621 35.2125008677158, 136.904472174454 35.2123239111633, 136.904377548324 35.2122903929094, 136.904251082637 35.2125251975654, 136.903378228537 35.2121984179433, 136.903385303389 35.2121788919131, 136.903538940399 35.2117547378339, 136.904331667882 35.2120545092731, 136.90456583499 35.2121430511574, 136.905113193871 35.2122829801885, 136.905541484562 35.212318349421, 136.905527151618 35.2125279743863)) ^^http://www.opengis.net/ont/geosparql#wktLiteral