メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.900648983983 35.4863099258252, 136.900713802845 35.4863150675422, 136.901163490163 35.4863507729773, 136.901303501805 35.4863618907469, 136.901405270902 35.4863699660899, 136.901358412472 35.4867628853201, 136.901314320262 35.4870472548119, 136.901271069755 35.4873309572953, 136.901246450319 35.4876174462683, 136.901218248858 35.4879593141959, 136.901208624642 35.4880517567949, 136.901199480013 35.4881488480127, 136.901173873738 35.4883295268843, 136.901163446787 35.4884042553958, 136.901157919876 35.4885468468095, 136.900476627012 35.4887503448986, 136.900439865926 35.4887482575207, 136.899754172587 35.4887057263027, 136.899036655088 35.4886529098285, 136.899094117757 35.4881685394214, 136.899147720048 35.4878294745355, 136.899195510676 35.4874509609177, 136.899269315747 35.486887015657, 136.899307456639 35.48661439406, 136.899363818799 35.4862079382419, 136.900648983983 35.4863099258252)) ^^http://www.opengis.net/ont/geosparql#wktLiteral