メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.180712080179 34.2275472446233, 135.18028714116 34.2275141152786, 135.179878286255 34.2275013760019, 135.179902099394 34.2267143773932, 135.180314858243 34.2267439045428, 135.180319610825 34.2266733627547, 135.180692475422 34.2266455711255, 135.180703818984 34.2267265045405, 135.180715360037 34.2267870130314, 135.180508808104 34.2267856311602, 135.180502936156 34.2269806909837, 135.180725566536 34.2269855612762, 135.180712080179 34.2275472446233)) ^^http://www.opengis.net/ont/geosparql#wktLiteral