メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.059308634832 35.9742307202165, 136.059773252293 35.9745856655472, 136.060034923958 35.9743937284749, 136.060118726995 35.9744624840015, 136.060151678249 35.9744939684158, 136.060438957476 35.9748320681735, 136.060448354075 35.9748645725693, 136.060441560356 35.9748950127988, 136.05972176691 35.9759426514274, 136.059535518153 35.975835314957, 136.058429051557 35.9749479567593, 136.059308634832 35.9742307202165)) ^^http://www.opengis.net/ont/geosparql#wktLiteral