メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.869551670231 35.1602872971958, 136.86950770572 35.1605809325297, 136.869443573174 35.1611210772544, 136.869394255602 35.1614128684647, 136.868187276085 35.1613015142695, 136.86820867775 35.161029232575, 136.86827694497 35.1604805780129, 136.86832723345 35.1602001282155, 136.868359830066 35.159926748059, 136.869578481314 35.1600239018979, 136.869590933894 35.1600249186226, 136.869551670231 35.1602872971958)) ^^http://www.opengis.net/ont/geosparql#wktLiteral