メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.367968142484 43.7655824061643, 142.368243851724 43.7661039599147, 142.3671492888 43.7664178707306, 142.366712032228 43.7665378606215, 142.366419791148 43.7660151961932, 142.366118596382 43.7654764894497, 142.367659068503 43.7650332508679, 142.367959547894 43.7655661355672, 142.367968142484 43.7655824061643)) ^^http://www.opengis.net/ont/geosparql#wktLiteral