メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.140931278609 36.6290553747293, 137.140310120598 36.6291765541455, 137.137851380948 36.6296975028268, 137.137864328074 36.6295121922112, 137.137761471511 36.6290629667143, 137.137633842679 36.6284914381883, 137.137552144698 36.6280607357921, 137.137470912714 36.6276251721181, 137.137391605347 36.6274096348568, 137.137387471907 36.6272748723958, 137.137195622405 36.6262914380597, 137.136934956145 36.6249627066961, 137.136874513695 36.6245905863391, 137.136849490718 36.624442370632, 137.13684174229 36.6238275658914, 137.137198297033 36.6238104739844, 137.138462443128 36.6239126540668, 137.14044596431 36.6240513803341, 137.141041928093 36.6241048778356, 137.141169683257 36.6240896253742, 137.141634241427 36.6244404235593, 137.141594031287 36.6262870050864, 137.141573196704 36.6276184858924, 137.140949366895 36.6281738752357, 137.140931278609 36.6290553747293)) ^^http://www.opengis.net/ont/geosparql#wktLiteral