メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.8966794216 37.0646518386273, 140.895952325824 37.0649979687122, 140.895657364472 37.0653333170972, 140.895499393603 37.0654953136983, 140.895353545739 37.0656447392045, 140.895056206922 37.0659612424566, 140.894208961482 37.0656739406498, 140.893374769091 37.0657053492612, 140.893030518579 37.065883372888, 140.89292968305 37.0658654084084, 140.892728597482 37.0658083557788, 140.892539595172 37.0647823000734, 140.892362092561 37.0643109513681, 140.893825403407 37.0638626505225, 140.895219912964 37.0634266355278, 140.8966794216 37.0646518386273)) ^^http://www.opengis.net/ont/geosparql#wktLiteral