メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.959417025825 35.2374029345253, 136.960660647446 35.2385358720971, 136.960126530189 35.2389400373612, 136.959789062288 35.2391954054803, 136.959641925681 35.2393156264999, 136.958903294034 35.2385802462831, 136.958489075046 35.2381974134574, 136.95863219137 35.2380625984754, 136.958371173159 35.237856409391, 136.958287356376 35.2379296402055, 136.958100334903 35.237763710644, 136.958538759148 35.2373847730135, 136.959019927754 35.2369975272822, 136.959417025825 35.2374029345253)) ^^http://www.opengis.net/ont/geosparql#wktLiteral