メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.598908141042 34.6237788350054, 135.599547546304 34.6238009381765, 135.600511342008 34.6238335399087, 135.600469444422 34.6248894482462, 135.600426856701 34.6257151853811, 135.599531181406 34.6256866101301, 135.598811392342 34.6256519871687, 135.597986762654 34.6255906729186, 135.598000680093 34.6252446633426, 135.598007761934 34.6250686118165, 135.598008489062 34.6250505369442, 135.598022477593 34.6247994251224, 135.598024894108 34.6242971180993, 135.598059394475 34.6237581510013, 135.598551280902 34.6237701953836, 135.598908141042 34.6237788350054)) ^^http://www.opengis.net/ont/geosparql#wktLiteral