メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.632981654524 34.7978778371804, 134.632388230108 34.7978766241543, 134.631063700963 34.7978717109545, 134.629601437714 34.7978792329285, 134.629614413226 34.7976029782552, 134.629609795089 34.7967982685463, 134.629609110077 34.7966299447837, 134.629608263882 34.7963924608462, 134.629610764167 34.7960520013612, 134.629611923672 34.7958443734879, 134.629614948716 34.7953095287283, 134.633024076626 34.795311163837, 134.632978947812 34.7968014086937, 134.632981654524 34.7978778371804)) ^^http://www.opengis.net/ont/geosparql#wktLiteral