メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.975793978753 35.0787160361123, 136.976102062608 35.0787195616228, 136.97736376079 35.0790347816969, 136.977411415145 35.0790443658805, 136.977404452646 35.0790825257228, 136.97733077451 35.0794871547446, 136.977253297826 35.0800079115112, 136.977257797936 35.0800162293867, 136.977245442054 35.0800155055361, 136.975638802549 35.0799215755759, 136.974984489327 35.079883330663, 136.974644912379 35.0798634817374, 136.973599049967 35.0798022676238, 136.973559988406 35.0797633980469, 136.973475033741 35.0797593856225, 136.973439378738 35.0797203106211, 136.973436788969 35.0796634007842, 136.973019212267 35.0792462783254, 136.972451668179 35.0786654439308, 136.972436410277 35.0786504182912, 136.973253381606 35.078660420698, 136.973467800272 35.0786665463579, 136.974394220822 35.0786929897825, 136.975189570455 35.0787177334702, 136.975793978753 35.0787160361123)) ^^http://www.opengis.net/ont/geosparql#wktLiteral