メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.225120188915 34.7061304534116, 135.22523779387 34.706154382698, 135.225351303951 34.706559217258, 135.225421655143 34.7067570274732, 135.225477563455 34.7068805713568, 135.225666635787 34.7072059723866, 135.225681151916 34.7072869992082, 135.225662897683 34.7073660124948, 135.224884783322 34.7070809852331, 135.224816223613 34.707049935424, 135.223775156734 34.706674424317, 135.223808625562 34.7064871224082, 135.224059311459 34.7061968150989, 135.224328976273 34.7058950998779, 135.225120188915 34.7061304534116)) ^^http://www.opengis.net/ont/geosparql#wktLiteral