メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.162110631758 35.0653428402515, 137.162175841508 35.0653446315968, 137.162339383379 35.0653491233623, 137.162397209104 35.0653506769883, 137.163341772683 35.0653652468308, 137.163330182266 35.0654331371597, 137.163287634445 35.0664083927587, 137.163279481698 35.0666420647981, 137.163244078635 35.0676811264608, 137.161740025531 35.0675872234827, 137.161650250939 35.0675803859321, 137.159865333307 35.067444534506, 137.159818646821 35.0663927116474, 137.159779047703 35.0656920359919, 137.159763098978 35.0652877168387, 137.160698673223 35.0653042772352, 137.161551472345 35.0653275525129, 137.161749434607 35.0653329545746, 137.162110631758 35.0653428402515)) ^^http://www.opengis.net/ont/geosparql#wktLiteral