メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.991896112049 43.5554950257729, 144.991661230801 43.5556883785343, 144.991904495937 43.5558458189166, 144.991575218745 43.556102474304, 144.991476364311 43.5560335085321, 144.990766996396 43.5555381550933, 144.990911572425 43.5554258341932, 144.990791755364 43.5553465771352, 144.990637742183 43.5554597930703, 144.990411204638 43.5553256450933, 144.990667663541 43.5551347654776, 144.990787893999 43.5551251300656, 144.990976550431 43.5552511495324, 144.991223679374 43.5550592621045, 144.991497735416 43.5552433177278, 144.991868591183 43.5554766290384, 144.991896112049 43.5554950257729)) ^^http://www.opengis.net/ont/geosparql#wktLiteral