メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.716275268927 35.2393742723053, 136.717464829723 35.239262733184, 136.717593321168 35.2401854899446, 136.717828077825 35.2418202807341, 136.717841506833 35.2419538556859, 136.717845329896 35.242007956051, 136.718004907552 35.2429613208988, 136.717661772765 35.2430670342287, 136.716863976317 35.243351429038, 136.716797547584 35.2428971553971, 136.714498289534 35.2431175374983, 136.71388123822 35.2424006504313, 136.714359488905 35.2423570006273, 136.714132557072 35.2407011805971, 136.713854699321 35.2387958690216, 136.716071636342 35.2379704486107, 136.716275268927 35.2393742723053)) ^^http://www.opengis.net/ont/geosparql#wktLiteral