メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.206463735338 34.6967009808334, 135.206533349863 34.6965742744068, 135.206564125743 34.6965248950648, 135.20678022508 34.6961781060314, 135.20762597905 34.6966836191045, 135.207277532874 34.697281097344, 135.207132658093 34.6975165219657, 135.206732659423 34.6973638896767, 135.206628478375 34.6973173100615, 135.206206464025 34.6971468044721, 135.206351127665 34.6968910991512, 135.206463735338 34.6967009808334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral