メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.332866104253 36.2630232467085, 139.332354149955 36.2630211109092, 139.33159649967 36.2630179460811, 139.330794861426 36.2630137991664, 139.329470840995 36.2630069106414, 139.328738577486 36.2630038342851, 139.328741843468 36.2620845538604, 139.329874706521 36.2620980948516, 139.330798104461 36.2621013300408, 139.331612693001 36.2621045809973, 139.332358300216 36.2621066732938, 139.332856542089 36.2620904091786, 139.332866104253 36.2630232467085)) ^^http://www.opengis.net/ont/geosparql#wktLiteral