メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.258393770132 35.4844062087392, 134.256628816162 35.4843805516302, 134.256574494333 35.4842600994664, 134.256523841318 35.4841852108839, 134.256643909089 35.4841215195917, 134.256503892232 35.4839819996504, 134.256291608839 35.4839948603844, 134.256012816156 35.48368205457, 134.257459936046 35.482886456096, 134.257907215903 35.4835967103903, 134.258393770132 35.4844062087392)) ^^http://www.opengis.net/ont/geosparql#wktLiteral