メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.367352824887 38.4034255901429, 140.366385758929 38.4035059342024, 140.365719192607 38.4035614232867, 140.365431638848 38.4035829440923, 140.365162252214 38.4036031274644, 140.364168248687 38.4036774337926, 140.364036383882 38.4028825375928, 140.363896089539 38.4020371976154, 140.365725632537 38.4018709135664, 140.365873831704 38.4018465861114, 140.366057487924 38.4018373208678, 140.366248079625 38.4018278017852, 140.366825821601 38.4017615381964, 140.367109661987 38.4017249365448, 140.367113713683 38.4017963248972, 140.367247771562 38.4027138530998, 140.367352824887 38.4034255901429)) ^^http://www.opengis.net/ont/geosparql#wktLiteral