メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.694574876903 35.4033706421837, 136.696001238765 35.4033955456842, 136.696045985078 35.4048793323111, 136.695995707038 35.4057016457326, 136.694952496642 35.4056823875749, 136.69377545342 35.4056040799753, 136.693154216325 35.4056220819416, 136.693161492023 35.4054590867471, 136.693198314077 35.4048319969881, 136.693194715642 35.4043663634058, 136.693199207591 35.4033329630574, 136.694574876903 35.4033706421837)) ^^http://www.opengis.net/ont/geosparql#wktLiteral