メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.795008841952 34.7476142537254, 135.795172475523 34.7476070624997, 135.795252441067 34.7483038931338, 135.795006239213 34.7483332015856, 135.795006062086 34.7483794035447, 135.793085540353 34.7482657344876, 135.793455696619 34.7473873906237, 135.793694046426 34.747504566977, 135.793815178608 34.747534774321, 135.79411812579 34.7475552864288, 135.794417961281 34.7476183328884, 135.795008841952 34.7476142537254)) ^^http://www.opengis.net/ont/geosparql#wktLiteral