メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.922980890739 35.0775748011033, 136.922009965948 35.0771311371285, 136.922008648969 35.0771057103478, 136.921980479972 35.077100301961, 136.92217175376 35.0766893184209, 136.922220652625 35.076563140328, 136.922253370252 35.0764335492752, 136.922341578485 35.0760548273129, 136.922376901685 35.076059193537, 136.923550739028 35.0765086114835, 136.923367208883 35.0771238509562, 136.923330570417 35.0772101928402, 136.922980890739 35.0775748011033)) ^^http://www.opengis.net/ont/geosparql#wktLiteral