メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.689372404639 34.6090038163378, 135.689328224267 34.6089783499632, 135.689079444899 34.6088292543837, 135.689291707383 34.6085355267147, 135.688821355321 34.6082124718124, 135.688394642552 34.60791192162, 135.688565630702 34.6077790972643, 135.6887275419 34.6079278335448, 135.689104935775 34.6081995215545, 135.689530295249 34.6084410441359, 135.689699327213 34.6085310574886, 135.689722164764 34.6085404122381, 135.689769562193 34.6085598292357, 135.689636723688 34.6087128946934, 135.68959852562 34.6087568884825, 135.689372404639 34.6090038163378)) ^^http://www.opengis.net/ont/geosparql#wktLiteral