メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.813882771261 34.0575414593788, 131.814149583051 34.0579121749704, 131.814550095086 34.0583948518306, 131.815083170603 34.0588448019738, 131.815056011174 34.0588638830317, 131.814550498747 34.0592566006703, 131.814504698401 34.0592909832347, 131.813711086918 34.0598877011879, 131.8131875504 34.0602451416574, 131.81275371717 34.0605007051104, 131.812255874854 34.0595889073532, 131.812219418193 34.059512446196, 131.811774184426 34.0587185734126, 131.81158344251 34.0583785034515, 131.811570387077 34.0583481765066, 131.811374378467 34.0580435919995, 131.811411106003 34.0580286248273, 131.811924865616 34.0578182399646, 131.812241089283 34.0576925099745, 131.812881384772 34.0574407891194, 131.813091584181 34.0573623674428, 131.81363898337 34.0571495360936, 131.813882771261 34.0575414593788)) ^^http://www.opengis.net/ont/geosparql#wktLiteral