メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.898590620669 35.2430936889972, 136.898598771719 35.2435820201962, 136.898599077563 35.2445497158434, 136.897450061847 35.2445423864751, 136.897456074916 35.2441487296733, 136.89685269412 35.2441566137309, 136.896262288696 35.2441643753994, 136.896248948545 35.2435786983553, 136.895568484797 35.2434373072812, 136.895607205641 35.2431208782169, 136.895725702774 35.2421524939293, 136.898574250356 35.2421125011495, 136.898582322308 35.2425964729716, 136.898590620669 35.2430936889972)) ^^http://www.opengis.net/ont/geosparql#wktLiteral