メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.871205950232 34.00597523402, 131.871610071707 34.0062106321337, 131.871129687944 34.0068637101039, 131.870695790434 34.0074446276183, 131.870278716478 34.0072242694079, 131.869872072548 34.007027320422, 131.869611199502 34.0068670715687, 131.869911830469 34.0063472562216, 131.870203283973 34.0059304002203, 131.87037821888 34.0056582255769, 131.870459353961 34.0055464237703, 131.870672023457 34.0056738703589, 131.87082187778 34.0057638319427, 131.870998286223 34.0058609019661, 131.871205950232 34.00597523402)) ^^http://www.opengis.net/ont/geosparql#wktLiteral