メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.165776154457 34.2252373439607, 135.167036942605 34.2253488502317, 135.166171206801 34.226660362444, 135.165616719758 34.2264468599978, 135.165409873451 34.2263469937281, 135.165421624725 34.2260574544063, 135.165105945736 34.2258844457044, 135.165152602378 34.2256841697618, 135.165331236307 34.2257039746725, 135.165351025703 34.2255109822694, 135.165534335287 34.2255122243945, 135.165559500669 34.2252209449477, 135.165776154457 34.2252373439607)) ^^http://www.opengis.net/ont/geosparql#wktLiteral