メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.629845566087 35.4474700275244, 139.630089572026 35.4479336879037, 139.630482013831 35.448680892804, 139.629570526154 35.4490024050893, 139.629440743193 35.4488395894205, 139.629323419005 35.448694118679, 139.629263542728 35.4486166986054, 139.628911629909 35.4480808187541, 139.628763726431 35.4478788200944, 139.62852810607 35.4475228069717, 139.628507920939 35.4474986913523, 139.629010518592 35.4473344947346, 139.629656868542 35.4470877576623, 139.629845197606 35.4474456266673, 139.629845566087 35.4474700275244)) ^^http://www.opengis.net/ont/geosparql#wktLiteral