メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.671167147598 33.2445429979275, 131.67245194842 33.2448978626765, 131.673736899532 33.2452735322809, 131.673635363591 33.2453268092783, 131.6733696516 33.2454534612726, 131.673190043293 33.2455532856614, 131.672943922618 33.2456765380211, 131.675176480498 33.2463432899519, 131.674575676528 33.2467485612198, 131.670718407125 33.2456637827686, 131.669329070787 33.2452609555806, 131.669063827459 33.244932857385, 131.669265948194 33.2448002881502, 131.669350144966 33.2447326148045, 131.669443511037 33.2446411862051, 131.669537066422 33.2445695168012, 131.669621113942 33.2444820820749, 131.669922259282 33.2441819715452, 131.671167147598 33.2445429979275)) ^^http://www.opengis.net/ont/geosparql#wktLiteral