メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.636106971152 34.9924931831542, 136.636785840138 34.9933524475098, 136.637489022449 34.9942377087204, 136.636704003452 34.994756191038, 136.636187204838 34.9950708712372, 136.634873808017 34.9959533120731, 136.634076755558 34.995114568463, 136.634063135836 34.9951019627097, 136.633290538696 34.9942963330352, 136.632817025827 34.9938023864463, 136.632837833677 34.9937927711514, 136.634273433214 34.9930854424902, 136.6342738215 34.993085792017, 136.635168979205 34.9926664007894, 136.63595837106 34.9922948060865, 136.636051756114 34.9924245990267, 136.636106971152 34.9924931831542)) ^^http://www.opengis.net/ont/geosparql#wktLiteral