メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4820498456 35.6548481214931, 140.481372775373 35.655748665752, 140.481122716663 35.6556307739781, 140.481178576358 35.655554596014, 140.480878427162 35.6554098943502, 140.480717314191 35.6556166667989, 140.480206862356 35.6553457242063, 140.48077545857 35.654586643497, 140.481028945176 35.6547126512763, 140.480992753959 35.6547561890679, 140.481302842803 35.6549035859434, 140.481519524054 35.6545633466607, 140.4820498456 35.6548481214931)) ^^http://www.opengis.net/ont/geosparql#wktLiteral