メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.800981382786 35.3859176871122, 136.80142766615 35.3860648030618, 136.801961264704 35.3862530937179, 136.80319531987 35.3867031250208, 136.803338952254 35.3867367940306, 136.803316912981 35.3869253125881, 136.803388485936 35.3869196123005, 136.80338541209 35.3869629116244, 136.803350013363 35.3874616617563, 136.803349715547 35.3874657459109, 136.803320741472 35.3878786733731, 136.803320698075 35.3878790247806, 136.803320191914 35.3878861360404, 136.803292147775 35.3882687150385, 136.80328754385 35.3883272908289, 136.803277792899 35.3884699326602, 136.803214879 35.3884520688613, 136.801712720318 35.3880110899102, 136.801241175357 35.3878743215935, 136.801091334196 35.3878729538723, 136.799109090272 35.3878554797888, 136.79914419854 35.3856017872523, 136.79975140303 35.3856096835712, 136.799916977199 35.3856203955906, 136.800151227499 35.3856568782247, 136.800388458819 35.3857190019365, 136.800981382786 35.3859176871122)) ^^http://www.opengis.net/ont/geosparql#wktLiteral