メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.963327615722 43.5453178642794, 144.963287934341 43.5452910312723, 144.963274621692 43.5452830847494, 144.963133720636 43.5451894271496, 144.963038005577 43.5451246508457, 144.962382163966 43.5446807988105, 144.962292955758 43.5446231103037, 144.962231838921 43.5445838823383, 144.962228644649 43.5445816377763, 144.962295302631 43.5445289686662, 144.962342791083 43.5445531558563, 144.962901747154 43.544109604522, 144.963031257494 43.5441950255775, 144.96374238857 43.5446645628553, 144.963349466289 43.5449864627398, 144.96355742097 43.5451093964127, 144.963327615722 43.5453178642794)) ^^http://www.opengis.net/ont/geosparql#wktLiteral