メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.796300369534 35.5263044079042, 137.796256956099 35.526363483567, 137.796114578579 35.5265544053882, 137.796060768642 35.5266250741487, 137.794774994035 35.5266162441205, 137.794740841983 35.5262519442885, 137.794709250725 35.5259150534664, 137.79544985627 35.5259713759786, 137.796273631528 35.5260077910061, 137.796506173303 35.5260263961604, 137.796430001598 35.5261278488214, 137.796300369534 35.5263044079042)) ^^http://www.opengis.net/ont/geosparql#wktLiteral