メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.85389530709 35.2379740270494, 136.852485660889 35.2379452194723, 136.85126004858 35.2379148354298, 136.851093826883 35.2378827802552, 136.851101046213 35.2378748413903, 136.851184619484 35.2377823821167, 136.851185827963 35.2377809772564, 136.851529533693 35.2374346877276, 136.852484230209 35.2365500522155, 136.853845019974 35.23530130196, 136.854130599694 35.23531852265, 136.854008638022 35.2365771150583, 136.85389530709 35.2379740270494)) ^^http://www.opengis.net/ont/geosparql#wktLiteral