メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.36063501768 38.3078734595224, 140.360708208972 38.3083674554168, 140.360756763164 38.308657789757, 140.36079498065 38.3088889565859, 140.359098104311 38.3090507501716, 140.357437964571 38.3092147876228, 140.357356547539 38.3087114661441, 140.357261135681 38.3081900684964, 140.35708741168 38.3071901371889, 140.36046570205 38.3068821377665, 140.36063501768 38.3078734595224)) ^^http://www.opengis.net/ont/geosparql#wktLiteral