メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.416120777356 31.9226722038799, 131.41612274386 31.9234978659522, 131.416119531203 31.9239333994844, 131.416127282183 31.9242248733874, 131.416127824076 31.9242443185471, 131.416134236924 31.9249100883767, 131.416138993225 31.9252062934923, 131.415194289146 31.9252808940716, 131.414921267966 31.9253074310364, 131.414230499444 31.9253654842925, 131.413598354013 31.9253967092838, 131.413579238214 31.9253990964577, 131.413553176233 31.9250661088085, 131.4135361749 31.9249310895971, 131.413501125065 31.9244163395745, 131.413455365644 31.9236489498624, 131.413409930695 31.9229537811335, 131.413361823699 31.9223171755995, 131.41468696419 31.9220060112697, 131.414706893979 31.9220013665534, 131.416119802067 31.92168969128, 131.416121931537 31.9221648066591, 131.416120448595 31.9225988546027, 131.416120777356 31.9226722038799)) ^^http://www.opengis.net/ont/geosparql#wktLiteral