メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.137371130778 35.0832653980975, 137.136910675096 35.0835059852493, 137.136726421323 35.0836021353827, 137.136623660904 35.0836531645184, 137.134674583433 35.0846697580449, 137.132346677615 35.0816174557247, 137.132081996892 35.0812512951164, 137.1332676427 35.0815742938084, 137.135253403778 35.0821085920907, 137.135948996781 35.0822966249169, 137.135962641438 35.082300361855, 137.136332277286 35.0824002637598, 137.136830076075 35.0825237942337, 137.138340507506 35.0827676104608, 137.138271437567 35.0828073116901, 137.137371130778 35.0832653980975)) ^^http://www.opengis.net/ont/geosparql#wktLiteral