メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.696538147216 33.2392137124428, 131.695908778068 33.2392928567313, 131.694852842379 33.2394846621907, 131.694154613821 33.2396287786928, 131.694021724332 33.2389425819995, 131.693875092916 33.2381824059489, 131.69473934707 33.238193223659, 131.695603066964 33.2381525452611, 131.696396360008 33.2379732976363, 131.698312463724 33.2375815830199, 131.698616019007 33.2384097856012, 131.698792692824 33.2389680636482, 131.696538147216 33.2392137124428)) ^^http://www.opengis.net/ont/geosparql#wktLiteral