メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.147661124069 34.6720520637105, 135.147495671777 34.6724360188796, 135.147437074454 34.6725719142938, 135.147393298128 34.6725586848824, 135.147185258965 34.6730423685991, 135.146761112377 34.6729077278949, 135.146153811772 34.6727337422453, 135.1460631571 34.6726689901897, 135.146192280215 34.6724833243221, 135.146290120084 34.6722544834651, 135.146391897375 34.6719749078965, 135.146641692465 34.6719598575037, 135.146909279922 34.6718813027227, 135.147142361811 34.6717264927723, 135.147247815097 34.671631132123, 135.147767581963 34.6717809069814, 135.147661124069 34.6720520637105)) ^^http://www.opengis.net/ont/geosparql#wktLiteral