メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.51307230362 34.6843844301986, 135.513345132319 34.684378899848, 135.51335380603 34.6844558436524, 135.513565168196 34.6844490811984, 135.513565602749 34.6843745672328, 135.514501508403 34.6843557603022, 135.514501691173 34.6846611461044, 135.513085442317 34.6846897267236, 135.513091830674 34.6849027326942, 135.511679022595 34.6849106037368, 135.511688560876 34.6846868157745, 135.511694651463 34.6844110360036, 135.512633026159 34.6844001415354, 135.512624234506 34.6843141822154, 135.513071758353 34.6843097726204, 135.51307230362 34.6843844301986)) ^^http://www.opengis.net/ont/geosparql#wktLiteral