メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.942865044256 42.9459608340592, 142.942100591138 42.9462891175851, 142.941400295761 42.9466023090896, 142.941379570797 42.9466110142954, 142.941352079119 42.946622573564, 142.941142362205 42.9464297952775, 142.940534420561 42.9458642719219, 142.94037119863 42.9457238190808, 142.940396833912 42.9457088953446, 142.94098196739 42.9453626455884, 142.941160318029 42.945512007785, 142.941707021895 42.9451754107876, 142.941921849757 42.945043016879, 142.942865044256 42.9459608340592)) ^^http://www.opengis.net/ont/geosparql#wktLiteral