メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.950776787364 34.9022085645714, 136.950397212578 34.9029936047528, 136.950158050245 34.9034881575348, 136.950049918979 34.903687702818, 136.949401041598 34.9033757361274, 136.94893499736 34.9031791059702, 136.948372354765 34.9029985678099, 136.948147092582 34.9029278726202, 136.948018381685 34.9028839743963, 136.947615007403 34.9028145768233, 136.947102765071 34.9027223025118, 136.946931141157 34.9026949470817, 136.947355987707 34.9019749350638, 136.948156234478 34.9008181584351, 136.948822105024 34.8999925086034, 136.949848449781 34.900606738593, 136.951161372853 34.901369583601, 136.950776787364 34.9022085645714)) ^^http://www.opengis.net/ont/geosparql#wktLiteral