メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.548967192601 34.0623496989817, 134.549034246638 34.0637037059826, 134.548715050919 34.0637064316271, 134.548364113127 34.0637191929634, 134.547998631076 34.0637324794882, 134.547988964566 34.0635661951323, 134.547937270233 34.0626744556826, 134.547920285071 34.0623811726742, 134.548638634945 34.0623546154722, 134.548808641304 34.062346472844, 134.548967192601 34.0623496989817)) ^^http://www.opengis.net/ont/geosparql#wktLiteral