メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.27792877065 43.086885051719, 141.278022439141 43.0869691159876, 141.277989577588 43.0874397594323, 141.277965651637 43.0880189962399, 141.278263331252 43.0885281005907, 141.277751573953 43.0887719484727, 141.277740645636 43.0887773415905, 141.277723365247 43.0887596129184, 141.277361295603 43.088372332267, 141.277000672044 43.0880029967366, 141.276642263974 43.0876395158624, 141.27621021534 43.0872182310404, 141.275759949882 43.0867479109762, 141.275778899881 43.0867389287167, 141.276160094559 43.0865228151137, 141.276656903685 43.0862283507802, 141.276744650398 43.0861769822996, 141.277057188956 43.0859938988261, 141.27792877065 43.086885051719)) ^^http://www.opengis.net/ont/geosparql#wktLiteral