メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.941457965192 35.1495123485481, 136.941588364323 35.1499636595952, 136.941381729619 35.1499686970502, 136.941379245806 35.149928338887, 136.94058812826 35.1499286911346, 136.940549935173 35.1495139602256, 136.940532556349 35.1492472295544, 136.940521065739 35.1491833414513, 136.940516299783 35.1491568447944, 136.9405383764 35.1491890700617, 136.941818958985 35.1491702658217, 136.941819914438 35.1492425867986, 136.941823362226 35.1495037335991, 136.941457965192 35.1495123485481)) ^^http://www.opengis.net/ont/geosparql#wktLiteral