メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.044116224023 35.0035362296006, 137.043731607186 35.0036596565102, 137.04324816371 35.0035237315771, 137.04309410973 35.003475542872, 137.043979110772 35.002813704526, 137.043789247397 35.0022126176858, 137.043614036017 35.0015651334535, 137.043584237813 35.0015159445782, 137.04419660408 35.0014290894862, 137.044396167516 35.0024886738738, 137.044321084037 35.0027746789152, 137.044162534344 35.0033643587261, 137.044116224023 35.0035362296006)) ^^http://www.opengis.net/ont/geosparql#wktLiteral