メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.89771130607 35.2763889699367, 136.896992844786 35.2758826864431, 136.896630019161 35.2756286400367, 136.89537275839 35.2747214000512, 136.897570796117 35.2734052935668, 136.898000545304 35.2731364638303, 136.899067199454 35.2724580662343, 136.899267458858 35.2723144266032, 136.899801430377 35.2728255021268, 136.90072527717 35.2736806942675, 136.901829363595 35.2747241671516, 136.900812060392 35.2750608589076, 136.899960203187 35.2753612937004, 136.899417074717 35.2755366351173, 136.899003203507 35.27568824981, 136.898797450431 35.2757765250077, 136.898442326107 35.2759648901797, 136.89771130607 35.2763889699367)) ^^http://www.opengis.net/ont/geosparql#wktLiteral