メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.01041156948 34.8991720536547, 137.010304191119 34.8996573721016, 137.010219280794 34.8999629901666, 137.010098810033 34.9001173524915, 137.00968190222 34.9004009214627, 137.009120409732 34.9007648705031, 137.008128791941 34.8994982111577, 137.007788114411 34.8990531574542, 137.008898180138 34.8984640686393, 137.009135249675 34.8985174079708, 137.0093080535 34.8985557325494, 137.00941765955 34.8985680587088, 137.00947885161 34.8985420799289, 137.009513672489 34.8985203625343, 137.009549255264 34.8985087173123, 137.009718386995 34.8986733830474, 137.009902376927 34.8988237711721, 137.010211877264 34.8990465773069, 137.01041156948 34.8991720536547)) ^^http://www.opengis.net/ont/geosparql#wktLiteral