メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.465780216577 37.7527201326509, 140.465817761601 37.7535579082958, 140.465917597987 37.753553569717, 140.465945335155 37.7541507907108, 140.465458321064 37.75419085485, 140.464776613201 37.754236606681, 140.463966400689 37.7542986722749, 140.463990164937 37.753693291022, 140.464012313652 37.7528405530582, 140.464011218404 37.7523202027144, 140.464701105816 37.7523159443943, 140.464695555078 37.7521532211247, 140.465432055247 37.7521363192081, 140.465778086627 37.752147413367, 140.465783813923 37.752554404864, 140.465780216577 37.7527201326509)) ^^http://www.opengis.net/ont/geosparql#wktLiteral