メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.032511598193 43.565931691397, 142.032511334839 43.5660047944367, 142.03241586528 43.5667468674762, 142.032270054707 43.5675085354892, 142.031728851258 43.5674793877291, 142.031404306519 43.567411298709, 142.031124317431 43.5673919587093, 142.030526822665 43.56735060227, 142.030488121168 43.5673617811346, 142.02887618733 43.5672434528663, 142.02899549047 43.5663439635396, 142.029012748775 43.5662133658964, 142.029921507649 43.5658143445647, 142.03104063994 43.565297884368, 142.032568817594 43.5654038639517, 142.032511598193 43.565931691397)) ^^http://www.opengis.net/ont/geosparql#wktLiteral