メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.789474002735 34.6021169012901, 135.789472918623 34.6025487843482, 135.789438048284 34.6025535130409, 135.789425923452 34.6027601376329, 135.788816042899 34.6027782405848, 135.788828008335 34.6026437374407, 135.787596558256 34.6027135803574, 135.787620824538 34.6023054031347, 135.787620967091 34.6021565121222, 135.787633985296 34.6016908443313, 135.787634471704 34.6014987089336, 135.788737946392 34.6015054129136, 135.788888870786 34.6015345506539, 135.789475437926 34.6015451425356, 135.789474002735 34.6021169012901)) ^^http://www.opengis.net/ont/geosparql#wktLiteral