メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.224341966437 34.7137175906823, 135.224267752447 34.7138675816413, 135.224259155136 34.7138849700523, 135.224239112864 34.7139327264491, 135.224232541594 34.7139482682296, 135.224104496235 34.7142241558163, 135.223619033412 34.7140023377414, 135.223352985095 34.7138803299328, 135.22303759709 34.7137383988538, 135.223156975015 34.7134175017026, 135.2232284371 34.7132096394468, 135.224341966437 34.7137175906823)) ^^http://www.opengis.net/ont/geosparql#wktLiteral