メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.34160850537 37.2459857210719, 140.340113732637 37.2466409526256, 140.339932727013 37.2462802832105, 140.33935327337 37.2450890166138, 140.338872126543 37.2441697885409, 140.338326243049 37.2430684905939, 140.338891824626 37.2428950025103, 140.339098052365 37.2427889402002, 140.339664768814 37.2424367602467, 140.340497741704 37.2418840608253, 140.341233356483 37.2429432789991, 140.341559221489 37.2435398781552, 140.341979601923 37.2441207221429, 140.34306812434 37.2453249898575, 140.34160850537 37.2459857210719)) ^^http://www.opengis.net/ont/geosparql#wktLiteral