メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.758317710212 35.4192382863231, 136.758342539715 35.4194068498497, 136.75837125022 35.4195394415723, 136.757940098166 35.4195889784106, 136.757935347685 35.4195413931096, 136.757775713908 35.4195612431337, 136.757793452166 35.4196686587284, 136.757643139437 35.4196823429461, 136.757617968528 35.4195389535433, 136.757225186584 35.4195794264134, 136.757221471618 35.4195569154927, 136.757193347422 35.4193853470097, 136.757167895459 35.4192042455051, 136.757573773049 35.4191594858636, 136.757552943422 35.4190254060332, 136.758012629966 35.4189720240084, 136.758023182987 35.4190116002272, 136.758271237581 35.4189856741208, 136.758317710212 35.4192382863231)) ^^http://www.opengis.net/ont/geosparql#wktLiteral