メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.500291868673 43.012535819385, 141.500894364291 43.0123415780938, 141.501224914086 43.012862157117, 141.501845235997 43.0127944134684, 141.502502785571 43.0139133293228, 141.50207305529 43.0140542032145, 141.501382583006 43.0143100472776, 141.50068382149 43.0145376290458, 141.499867979153 43.0148089581756, 141.499577603515 43.014905514804, 141.499494166786 43.0149295126127, 141.49929135622 43.0149933069611, 141.499219587787 43.0148817114094, 141.498714022442 43.0140516436402, 141.498372728351 43.0134544656919, 141.49830630586 43.0133371387293, 141.49796746775 43.012755307789, 141.498428421239 43.0126357545416, 141.498459922865 43.0126225283863, 141.498849016521 43.0125091111323, 141.498728942613 43.0122918415984, 141.498946430301 43.0122261757381, 141.499477209418 43.0120582661044, 141.499938458132 43.0119137403735, 141.500291868673 43.012535819385)) ^^http://www.opengis.net/ont/geosparql#wktLiteral