メタデータ名 dsd
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.390189981217 43.0426050992501, 141.390331613646 43.0427280447454, 141.390491970214 43.0428697689726, 141.391276744569 43.0435540646622, 141.390680995694 43.0439326857472, 141.390546133619 43.0440183207548, 141.390057767111 43.0443215754993, 141.389246997434 43.0436313799698, 141.388620076074 43.0430907482501, 141.389234941407 43.0427030677266, 141.389866834793 43.0423245851198, 141.390189981217 43.0426050992501)) ^^http://www.opengis.net/ont/geosparql#wktLiteral