メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.343605160999 37.2552700878796, 140.341627402099 37.2560551262983, 140.341329450069 37.2556751073675, 140.340389332258 37.2546198636261, 140.339522256778 37.2551379314011, 140.339295976437 37.2552795619996, 140.338911720594 37.2555763287105, 140.33861289993 37.2559137030913, 140.33760525868 37.2555842916678, 140.339409084426 37.2546247607879, 140.340056152205 37.2542837826226, 140.341992746359 37.2532684485719, 140.342447090115 37.2538949066375, 140.343605160999 37.2552700878796)) ^^http://www.opengis.net/ont/geosparql#wktLiteral