メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.339464140797 43.7863554714265, 142.339941287991 43.786702793977, 142.339785891384 43.7868180169974, 142.341429407041 43.7880204363422, 142.340999590376 43.7883373206079, 142.34095826179 43.7883697194919, 142.340685961528 43.7885542163675, 142.340482113564 43.7886938110234, 142.340249022938 43.7888678499875, 142.33920691481 43.7881169459639, 142.338600538075 43.7876690218492, 142.338562505618 43.7876942271116, 142.33691741494 43.7865025482752, 142.336975270633 43.7864557569931, 142.337190191458 43.7863021146139, 142.33748444337 43.7860812866632, 142.337656388179 43.7859636461743, 142.338013476356 43.7857067977885, 142.338149046236 43.7856083638392, 142.339378940327 43.7858124294834, 142.339046653623 43.7860488866833, 142.339464140797 43.7863554714265)) ^^http://www.opengis.net/ont/geosparql#wktLiteral