メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.178154111154 34.8134444171935, 137.177812572096 34.8136810812815, 137.177675959536 34.8138163128487, 137.177402734462 34.8141093122975, 137.176992896558 34.8145713470867, 137.176678680103 34.8149206898465, 137.17624149646 34.815179893051, 137.17566148208 34.8154588234097, 137.175599371886 34.815315155351, 137.175585701775 34.8152362774872, 137.175449062378 34.8147517452016, 137.17532608082 34.8142784802887, 137.175380724681 34.8141432563248, 137.175503677339 34.8140080281614, 137.175722271372 34.8139178674302, 137.176132132467 34.8138051569536, 137.176282408791 34.8136924629635, 137.176487332916 34.8134896178831, 137.176719571709 34.813174086603, 137.17719774903 34.8132416619047, 137.177389019171 34.8132529157516, 137.177675911935 34.813117672691, 137.177785207623 34.8130725904274, 137.178003800769 34.8130725727286, 137.178154078539 34.8130049499921, 137.178358999914 34.8128809804986, 137.178440970389 34.8128584367414, 137.178604913901 34.8128471542323, 137.178782532031 34.8130161645366, 137.178154111154 34.8134444171935)) ^^http://www.opengis.net/ont/geosparql#wktLiteral