メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.742041718469 35.4178096890322, 136.741877733033 35.418167413113, 136.741887847313 35.4182154050501, 136.74188490184 35.4184410933403, 136.741982360999 35.4185080537034, 136.742053797271 35.4185747116134, 136.74210649836 35.4186464099936, 136.742060976777 35.4186574812709, 136.742023726575 35.4186742513139, 136.740007022876 35.4202269622069, 136.739331869762 35.4198563123764, 136.739180468865 35.4197821507716, 136.739935617198 35.4174662575794, 136.740941570855 35.4176537794628, 136.741517050367 35.4177466129939, 136.742041718469 35.4178096890322)) ^^http://www.opengis.net/ont/geosparql#wktLiteral