メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.503616970934 34.68522638246, 135.503623562886 34.6856512406874, 135.502625339586 34.6856590030898, 135.501655996591 34.6856706788254, 135.501656725926 34.6856912476821, 135.501249730864 34.6856969074416, 135.501255231506 34.6855614231069, 135.500631940686 34.6855499964803, 135.500615873492 34.6852646914002, 135.50059197383 34.6848635676619, 135.501620615478 34.6848291831277, 135.502590327754 34.6848252562461, 135.503606722593 34.6848140464617, 135.503616970934 34.68522638246)) ^^http://www.opengis.net/ont/geosparql#wktLiteral