メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.364076934156 40.5503159698248, 141.363674459752 40.5502709247489, 141.363092511344 40.5503053313812, 141.362559220301 40.5504334383407, 141.362204037972 40.550490368688, 141.361981658903 40.5504803410922, 141.361783286229 40.5504554298001, 141.361487815915 40.5503646466117, 141.361138606121 40.5502077258103, 141.360881757762 40.5501130719645, 141.360615542778 40.5500589870271, 141.360356237204 40.5499624790149, 141.360099548488 40.5498936084738, 141.359541306992 40.5497868183336, 141.361051696161 40.5468980584994, 141.364249087882 40.5478549756123, 141.364861482148 40.5480051507293, 141.364076934156 40.5503159698248)) ^^http://www.opengis.net/ont/geosparql#wktLiteral