メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.807222550613 34.0535620548332, 131.806878400413 34.0536813831715, 131.806474196868 34.0529774906396, 131.80639043334 34.0529544198432, 131.806343113994 34.0528877854232, 131.806309547626 34.0528206280509, 131.806277605875 34.0527493902031, 131.805894756606 34.0524731246725, 131.805750748212 34.0524486078194, 131.805974692898 34.0521986456457, 131.806800628842 34.0528155969361, 131.807484924112 34.0525327527457, 131.807576076143 34.0526200853177, 131.80768397888 34.052819745562, 131.807544860585 34.0528601910108, 131.807598358395 34.0529569917156, 131.807521280187 34.053024808925, 131.807575567896 34.0531192352791, 131.807465083645 34.0531638040862, 131.807528779744 34.0532685682165, 131.807522676493 34.0532772680261, 131.80752344135 34.0532919729734, 131.807156323158 34.0534360867759, 131.807222550613 34.0535620548332)) ^^http://www.opengis.net/ont/geosparql#wktLiteral