メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.343669830185 37.2492377499366, 140.34199213605 37.2498264873076, 140.341847316342 37.2498532983004, 140.341783463819 37.2498723000759, 140.341286397251 37.2488665540851, 140.340855332223 37.2480682116105, 140.340653937393 37.2476820012208, 140.340113732637 37.2466409526256, 140.34160850537 37.2459857210719, 140.342483997874 37.2473891609408, 140.342488004646 37.2473956211749, 140.343358000818 37.248775422491, 140.343669830185 37.2492377499366)) ^^http://www.opengis.net/ont/geosparql#wktLiteral