メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.210910685435 36.6772273531968, 137.210990709327 36.6782147565868, 137.211051009152 36.6790226300631, 137.210406807879 36.6790695506541, 137.210378504658 36.6790716736194, 137.210006917497 36.6791113091047, 137.20948085836 36.6791674052783, 137.20903898776 36.6792124870953, 137.208678260988 36.6792492991175, 137.208610854312 36.6792505204472, 137.207882479826 36.6792635982128, 137.207500861247 36.6792704227821, 137.207430324344 36.6786066701606, 137.207396475658 36.678233604686, 137.207366274322 36.6776770622358, 137.207345504871 36.6772904742221, 137.207326539185 36.6767820142277, 137.207995772455 36.6767667089831, 137.208534139365 36.6767544772318, 137.209151026007 36.6767392547505, 137.209900637065 36.6767284182205, 137.210251136305 36.6767239458699, 137.2108895536 36.6767157968255, 137.210910685435 36.6772273531968)) ^^http://www.opengis.net/ont/geosparql#wktLiteral