メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.921150644385 37.803750116182, 140.921113688694 37.8040187879103, 140.921010207901 37.8049472161444, 140.920985992335 37.8050683726642, 140.920976916093 37.8051149141049, 140.920681852234 37.8051094686835, 140.920407989759 37.8051946308006, 140.920402183126 37.8053371571206, 140.92022793095 37.8052758323833, 140.920050802687 37.8052602888734, 140.919859380822 37.8052562780788, 140.91944227269 37.8052529390513, 140.919251523149 37.8052948184559, 140.919129344025 37.8053360647664, 140.918838645678 37.8054591088732, 140.918744716704 37.8051760146596, 140.918704699163 37.8049573259097, 140.918723975739 37.804262386058, 140.918758659606 37.8037410297577, 140.919264368614 37.8037311672241, 140.919815647385 37.8036889259705, 140.92005332377 37.803689413308, 140.921150644385 37.803750116182)) ^^http://www.opengis.net/ont/geosparql#wktLiteral