メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.882602258877 35.1172294047029, 136.882601909997 35.1172294038711, 136.882591503877 35.117229404299, 136.881027815647 35.11722726677, 136.881034464335 35.116350968942, 136.882427296363 35.116355219159, 136.882434839573 35.1163547215307, 136.882456295803 35.1164049817901, 136.882524182844 35.1167881716059, 136.882553824485 35.1169554823661, 136.882602258877 35.1172294047029)) ^^http://www.opengis.net/ont/geosparql#wktLiteral