メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.281441105424 35.3710506162825, 136.281178920933 35.3719677521018, 136.281140508547 35.3719608698852, 136.280067133901 35.3717692745838, 136.279142967481 35.3715738764613, 136.279008365645 35.3715478487284, 136.278891315496 35.3715194566835, 136.279039961593 35.3710956030828, 136.279965807156 35.3712684645129, 136.280006897983 35.3711242882666, 136.280255576758 35.3711644166127, 136.280356733802 35.3708266555869, 136.280548013415 35.3701124271257, 136.280853075412 35.3701729871836, 136.280940647106 35.3698914532654, 136.2817555961 35.3700645573192, 136.281441105424 35.3710506162825)) ^^http://www.opengis.net/ont/geosparql#wktLiteral