メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.738490052944 35.1790656044175, 136.738489066542 35.1794009502407, 136.738501549683 35.1796376123777, 136.738543347635 35.1800499407483, 136.738550555007 35.1800741211438, 136.73746152753 35.1801437067899, 136.736546173142 35.180193197692, 136.736466545787 35.1791886261847, 136.736465652405 35.1791791862341, 136.736401673616 35.1784854427994, 136.73730363588 35.1784348495641, 136.738522056177 35.1783683989429, 136.738490997397 35.1788854680661, 136.738490052944 35.1790656044175)) ^^http://www.opengis.net/ont/geosparql#wktLiteral