メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.965786207666 35.1907868954852, 136.963004330282 35.1908789599115, 136.962715425687 35.1899483759831, 136.962545423746 35.1893967349536, 136.961869421921 35.1871571465829, 136.96273072257 35.1869631664447, 136.963994215493 35.186633932245, 136.964968801644 35.1862861781645, 136.964953519775 35.1863434082125, 136.965090343852 35.1871234474127, 136.965283027399 35.1880392180792, 136.96548740535 35.1891105053499, 136.965528572402 35.1893670600421, 136.96552948331 35.1893717093548, 136.965565911148 35.1895580433121, 136.965786207666 35.1907868954852)) ^^http://www.opengis.net/ont/geosparql#wktLiteral