メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.270205290052 36.995884735016, 138.272561939485 36.9983201385294, 138.272646658806 36.9998910523979, 138.267086795985 36.9993772977096, 138.2671648215 36.9992281250454, 138.267270458314 36.9988466105112, 138.267562749308 36.9981674496776, 138.267842867953 36.9976652555125, 138.268088045521 36.9972002330613, 138.268320958578 36.9969585040501, 138.268727877615 36.9967452049048, 138.26933228748 36.9964856856305, 138.270205290052 36.995884735016)) ^^http://www.opengis.net/ont/geosparql#wktLiteral