メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.074390031033 35.2412190734279, 137.074098031581 35.2415106888046, 137.073763724258 35.2417863553495, 137.073510782082 35.2419184883776, 137.073208712629 35.2420026944812, 137.072911267065 35.2420400001776, 137.071890951164 35.2420504729316, 137.071900969062 35.2412960259975, 137.071920068578 35.2406109539217, 137.072911755055 35.240612712438, 137.073346408711 35.2406205127849, 137.074715277338 35.2408683964785, 137.074390031033 35.2412190734279)) ^^http://www.opengis.net/ont/geosparql#wktLiteral