メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.952913707349 37.7923448442391, 140.949245791751 37.792191824805, 140.949118437648 37.7919042845098, 140.948183424962 37.7896070997257, 140.948865374242 37.7893967923849, 140.950229190541 37.788965608443, 140.95022456811 37.7902144020013, 140.950489738456 37.7903000187173, 140.951071372706 37.7901842702535, 140.951398373387 37.7906882700833, 140.952343049694 37.790701267506, 140.952961273324 37.7907120088906, 140.952963101982 37.7908332049619, 140.952941246293 37.7912246509691, 140.952913707349 37.7923448442391)) ^^http://www.opengis.net/ont/geosparql#wktLiteral