メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.19847242924 34.8226133734367, 137.198117254777 34.8228275737365, 137.197919500414 34.8229358760921, 137.197546071854 34.8231602904888, 137.19721548152 34.8227827436321, 137.196873772653 34.8223433590794, 137.196586738523 34.8219828364821, 137.196272361648 34.8215547086612, 137.19644994132 34.8213969063635, 137.196559209142 34.8212503889673, 137.196682113287 34.8210249884373, 137.197105771311 34.8213742069222, 137.197269763943 34.8215093852736, 137.19754305997 34.8216445338809, 137.197816415899 34.821971247087, 137.197980419049 34.8221402303204, 137.198294748508 34.8224105888318, 137.19847242924 34.8226133734367)) ^^http://www.opengis.net/ont/geosparql#wktLiteral