メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.424276233677 36.3292413711914, 138.4243453888 36.3299813216953, 138.424166095579 36.3300303904897, 138.424077965093 36.3300598366639, 138.424023283467 36.3300598022335, 138.423880529941 36.3300277465961, 138.423737767274 36.3300006188368, 138.423338273547 36.3299892747787, 138.423198522626 36.3299965797499, 138.422912874036 36.3300726164347, 138.422599884076 36.3301486006215, 138.422481337074 36.3302124214508, 138.422362765174 36.3302910280803, 138.422027027015 36.3303362615666, 138.421978387668 36.3303632676581, 138.422097469075 36.32976359029, 138.422140217672 36.3295399235181, 138.422217906284 36.3293297998264, 138.422246702757 36.3291022522052, 138.422374238317 36.3289237385469, 138.422399358621 36.3292809804631, 138.422607377894 36.3292708001246, 138.422600166529 36.3288906490491, 138.424403491136 36.3288838012552, 138.424412937565 36.3292389910478, 138.424276233677 36.3292413711914)) ^^http://www.opengis.net/ont/geosparql#wktLiteral