メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.886599545332 43.8017452779957, 143.886819168646 43.802001258275, 143.887229781933 43.8024529077181, 143.886937423401 43.8025980022123, 143.886606069561 43.8027586323722, 143.886311729883 43.8029166573648, 143.886031220512 43.8028985081269, 143.885160122517 43.802842142163, 143.885148452292 43.8028413947762, 143.884288055047 43.8027857132289, 143.884435008064 43.801567217113, 143.885318831062 43.8014858792514, 143.885494512233 43.8014697043231, 143.886234014441 43.8013939231364, 143.886599545332 43.8017452779957)) ^^http://www.opengis.net/ont/geosparql#wktLiteral