メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.773305335518 37.648247185342, 138.773108594455 37.6483498551473, 138.772979406393 37.648182050528, 138.772865291514 37.648225536429, 138.772728416535 37.6483030051195, 138.772571587068 37.6483896727056, 138.772473290492 37.6484614221891, 138.772131069486 37.6486327084776, 138.77185117986 37.6482709580309, 138.771558211423 37.6478491207766, 138.771357405149 37.6476268520484, 138.771082304248 37.6474003909501, 138.771361500185 37.6471771578143, 138.771555149814 37.6470086082302, 138.771674922479 37.6469446939362, 138.771994465812 37.6468258341038, 138.771967787482 37.6467511364151, 138.77224104075 37.6466240770322, 138.772270994655 37.6466808864657, 138.772341395093 37.6467402787354, 138.772414154731 37.6468033256216, 138.772257640702 37.646872533086, 138.772384730183 37.6470731492492, 138.772523503855 37.6472793681017, 138.772609251992 37.647371247609, 138.772703060597 37.6474342456786, 138.772861562849 37.6475995896875, 138.773081118324 37.647870526174, 138.773029823378 37.6479092210044, 138.773067163295 37.6479637622672, 138.773121723744 37.6479404049099, 138.773256783199 37.6480739843594, 138.773189845226 37.6481083525434, 138.773222752551 37.6481493863143, 138.773271858717 37.6481473011115, 138.773336716229 37.6482334562146, 138.773305335518 37.648247185342)) ^^http://www.opengis.net/ont/geosparql#wktLiteral