メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.048085512507 36.0545685866339, 138.048409137157 36.0545297509732, 138.048677833611 36.0544974961923, 138.048767893722 36.0552486606434, 138.048797723732 36.0554918899515, 138.048813266274 36.0556479805769, 138.048850067694 36.0559765400116, 138.048871098308 36.0561433027642, 138.048875556284 36.0561753533498, 138.048952101759 36.0567270064519, 138.048969091233 36.0569562623229, 138.048990167849 36.0571230269906, 138.049010367357 36.0574356339896, 138.049042055378 36.0576649451033, 138.049015216054 36.0578702328846, 138.048792168325 36.0584111166096, 138.047712658218 36.0579008283499, 138.047447652911 36.0577559204703, 138.047175515635 36.0574629491762, 138.046975553997 36.0571734747815, 138.046859233374 36.0569974197038, 138.046823363045 36.056863339107, 138.046701524098 36.0563717576578, 138.046614285464 36.0562434332256, 138.046572592439 36.0561643942965, 138.04654009264 36.0560779526333, 138.046521367354 36.0559484180696, 138.046501304889 36.0558099267919, 138.046392709203 36.0553608355077, 138.046390201184 36.0553369381121, 138.046349144166 36.0551246613815, 138.046260258286 36.0544598638687, 138.046861788327 36.0545313742966, 138.04742336818 36.0545742343062, 138.047849759728 36.0545717696223, 138.048085512507 36.0545685866339)) ^^http://www.opengis.net/ont/geosparql#wktLiteral