メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.033881368426 35.3517302232654, 136.032207553108 35.352085139916, 136.031686072891 35.3521943685801, 136.031266445198 35.3507748920435, 136.031727308723 35.3506570195779, 136.032424780541 35.3505148541787, 136.033036444988 35.3503992595462, 136.033851163923 35.3516826265328, 136.033881368426 35.3517302232654)) ^^http://www.opengis.net/ont/geosparql#wktLiteral