メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.326637772203 35.4213626392904, 140.326827629622 35.4220007124014, 140.3261382265 35.4221336690148, 140.325704816328 35.4222267043824, 140.325519051336 35.4222646447408, 140.325180453032 35.4223167291127, 140.325030949528 35.4221784705212, 140.324677822596 35.4218790766755, 140.324627577734 35.4217728066141, 140.324598216465 35.4217053231982, 140.324539663917 35.4215906365862, 140.324380221482 35.4211974983292, 140.325024722632 35.4211576888964, 140.325693423416 35.4210163723834, 140.326515152384 35.4209152699083, 140.326637772203 35.4213626392904)) ^^http://www.opengis.net/ont/geosparql#wktLiteral