メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.142578138859 35.3334195307469, 137.142996685851 35.3337845671435, 137.142570639223 35.334082151879, 137.142353334322 35.334287388498, 137.142245838971 35.3343370121907, 137.141547295743 35.3348215050795, 137.141406232012 35.3349704188304, 137.141083789701 35.3346507535487, 137.14107569248 35.3346433571126, 137.140670549549 35.3342743738282, 137.140350796301 35.3339992164689, 137.140871491251 35.3335932796442, 137.141399368038 35.3332162871102, 137.141942643919 35.3328492250443, 137.142578138859 35.3334195307469)) ^^http://www.opengis.net/ont/geosparql#wktLiteral