メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.400108055266 43.0037704938187, 144.400269063846 43.0039800032525, 144.400512015903 43.0043079536258, 144.398772816132 43.0057557689225, 144.398545923109 43.0055529799408, 144.398529125252 43.0054999857851, 144.398671341572 43.0050940517994, 144.398756573163 43.0049937800804, 144.398973104839 43.004669086304, 144.399030272144 43.0045829154958, 144.399067778874 43.0043616603153, 144.398970546416 43.0040521404914, 144.398744382212 43.0036667639811, 144.398685290848 43.0035605511613, 144.398753219995 43.0032005996892, 144.398827443369 43.002999120698, 144.398836135192 43.0023530573391, 144.398964555257 43.0022878435682, 144.399603204966 43.003065645367, 144.399941438151 43.0035321144522, 144.400108055266 43.0037704938187)) ^^http://www.opengis.net/ont/geosparql#wktLiteral