メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.157918899462 34.6663667626338, 135.158075419615 34.6664716264719, 135.158479073955 34.6667415894004, 135.158179269053 34.6670411110697, 135.157728260953 34.6674971630231, 135.157348513984 34.6672401343496, 135.15678641031 34.6668679928656, 135.156941529618 34.6667198888015, 135.156964753463 34.6666977579869, 135.157105223098 34.6665593311094, 135.157148461612 34.666518471698, 135.157337825462 34.6663339335626, 135.157540042246 34.6661214207011, 135.157918899462 34.6663667626338)) ^^http://www.opengis.net/ont/geosparql#wktLiteral