メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.762660896678 35.4104584608285, 136.762451055626 35.4104761445399, 136.762482425343 35.4104298419455, 136.762330357034 35.4104537023595, 136.762309490734 35.4103255377723, 136.762402856622 35.4103181021881, 136.762420684646 35.4100546479308, 136.762674917936 35.4100784488826, 136.762748746641 35.4099348945926, 136.762911690486 35.4099292379354, 136.762929561005 35.4100978140605, 136.763284812902 35.4100883577158, 136.763274990634 35.4102300809489, 136.763270832907 35.4103915415637, 136.763227162595 35.4103949879992, 136.762660896678 35.4104584608285)) ^^http://www.opengis.net/ont/geosparql#wktLiteral