メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.150792962016 34.6674719611734, 135.150913917385 34.6673504346404, 135.151058382585 34.6674434149787, 135.151085106714 34.6674132340473, 135.151162958825 34.6673119971806, 135.151341035224 34.6674165851107, 135.151556247578 34.6675438821212, 135.151536923196 34.6675637319878, 135.15092661041 34.6681898561605, 135.150360769239 34.667834752638, 135.150256911946 34.6677706556181, 135.150637839206 34.667387080702, 135.150755523936 34.6674615074937, 135.150792962016 34.6674719611734)) ^^http://www.opengis.net/ont/geosparql#wktLiteral