メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.628927142589 34.7928332155997, 134.629599275161 34.7928379154029, 134.629614948716 34.7953095287283, 134.629611923672 34.7958443734879, 134.629610764167 34.7960520013612, 134.629608263882 34.7963924608462, 134.629609110077 34.7966299447837, 134.629609795089 34.7967982685463, 134.62894475303 34.7967928473305, 134.628249330973 34.7967967924613, 134.628255926358 34.7952983285596, 134.628240722013 34.7928327721224, 134.628927142589 34.7928332155997)) ^^http://www.opengis.net/ont/geosparql#wktLiteral