メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.090749352119 35.1384539478093, 136.089906120004 35.1380610563765, 136.089854630037 35.1380374326351, 136.09009409173 35.1377487835426, 136.090159151945 35.1376643628515, 136.090228123043 35.1377013542322, 136.090419864287 35.1374809138035, 136.090686227257 35.1371052662872, 136.091157940118 35.1373313915474, 136.091487696418 35.13748565066, 136.091282888256 35.137764062567, 136.090965683502 35.1381560192623, 136.090749352119 35.1384539478093)) ^^http://www.opengis.net/ont/geosparql#wktLiteral