メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.801315468879 34.7627432247718, 135.80132722677 34.7632630206952, 135.801327264081 34.7635610827304, 135.800445347851 34.7635866940882, 135.800469098811 34.7638615529368, 135.799936069791 34.7639035050426, 135.799732323369 34.7638534482757, 135.799729052809 34.7636246845476, 135.799680021418 34.7627442221177, 135.800656324029 34.7627163756848, 135.801306424003 34.7626977117469, 135.801315468879 34.7627432247718)) ^^http://www.opengis.net/ont/geosparql#wktLiteral