メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.326380390673 37.4015073514335, 140.326331506631 37.401426737742, 140.325423630569 37.3999759532351, 140.327420200681 37.3996719728644, 140.327657545596 37.3996357824557, 140.329202760147 37.3994255930631, 140.329190185422 37.3999071676519, 140.329169315131 37.4002143309321, 140.329135007869 37.4007186624824, 140.329108824996 37.4011037076896, 140.328399215422 37.4012072030277, 140.328590110633 37.4020355501076, 140.327959712883 37.4021292790416, 140.327785757566 37.4013060703044, 140.326380390673 37.4015073514335)) ^^http://www.opengis.net/ont/geosparql#wktLiteral