メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.174349100312 35.0544550171242, 137.174454380849 35.0544831121637, 137.174938579228 35.0547148594014, 137.173617778663 35.0546492336455, 137.173617717093 35.054061296429, 137.173568359073 35.0532273547444, 137.17353373248 35.0528061268666, 137.174371533169 35.0527740326148, 137.174420575938 35.0534552801531, 137.174576245059 35.0534542848353, 137.174571614549 35.0536035230736, 137.174525779315 35.0537566376776, 137.174440831071 35.0539174318706, 137.174311386724 35.0541192870231, 137.174424666259 35.0541237871183, 137.174430090724 35.0543211982355, 137.174349100312 35.0544550171242)) ^^http://www.opengis.net/ont/geosparql#wktLiteral