メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.866977853542 35.2836046539857, 136.867018715178 35.284062288661, 136.867063724081 35.284501835032, 136.867113984329 35.285187380212, 136.866547284632 35.2852286664507, 136.866502963846 35.2852696140017, 136.866502497018 35.2856325696674, 136.865915272324 35.2857010553484, 136.865854490213 35.2850068230744, 136.865813075069 35.2845499615491, 136.865766322922 35.2841075941158, 136.865731940469 35.2836536379827, 136.865681878524 35.2831491491934, 136.866211650144 35.2831432688942, 136.866925418128 35.283118328897, 136.866977853542 35.2836046539857)) ^^http://www.opengis.net/ont/geosparql#wktLiteral