メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.888370373329 38.2643351532994, 140.888991291601 38.2642685638653, 140.889017728458 38.2644843683631, 140.889035943918 38.2645509490812, 140.889071395518 38.2647391573128, 140.889083237298 38.2648378398176, 140.888401640313 38.2649092426761, 140.888017364999 38.2649472853757, 140.8876485058 38.2649801113163, 140.88763392485 38.264880304407, 140.887633667792 38.2648787674197, 140.887557723985 38.2644251948622, 140.888074677984 38.2643942726868, 140.888064721615 38.2642098556401, 140.88807453401 38.2641918312999, 140.888123206689 38.2641842059663, 140.888354024271 38.2641610141768, 140.888370373329 38.2643351532994)) ^^http://www.opengis.net/ont/geosparql#wktLiteral