メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.12258420452 35.2141638146315, 136.123607952384 35.2145686902492, 136.124286101027 35.2148189827427, 136.125265014038 35.2152354416102, 136.126733310061 35.2159116669838, 136.126107287398 35.2173342877072, 136.125568686877 35.2172633728076, 136.12331680112 35.2169922552902, 136.122213972783 35.2168797928767, 136.121340059611 35.2168196269555, 136.12258420452 35.2141638146315)) ^^http://www.opengis.net/ont/geosparql#wktLiteral