メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.064961299071 35.2948229305766, 137.063773245566 35.2962064896669, 137.063590860284 35.2961299241886, 137.063433514941 35.2961283791583, 137.063005409348 35.2961515994209, 137.062751599239 35.2961624351871, 137.062572262741 35.2961539686829, 137.06214831334 35.2960341611911, 137.061657257671 35.2957826027508, 137.062392152148 35.2946953587266, 137.062684666055 35.2942577951513, 137.063406815722 35.2931763749416, 137.063686528059 35.2927590798725, 137.063854399277 35.2924581674039, 137.065413676241 35.2929866182639, 137.065715207173 35.2940397648304, 137.065727804524 35.2941053396943, 137.065708566227 35.2942241970929, 137.065635906513 35.2943399101674, 137.064961299071 35.2948229305766)) ^^http://www.opengis.net/ont/geosparql#wktLiteral