メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.934378950746 42.5741644893634, 141.933958944449 42.5743007690794, 141.933291007964 42.574498818242, 141.933278831722 42.5745024424645, 141.931983769674 42.5748992028145, 141.931407247765 42.5738479247532, 141.930716577883 42.5725110459572, 141.930981255829 42.5725418867733, 141.932012777237 42.5726651666364, 141.932320230412 42.572762096897, 141.933280573509 42.5730650838147, 141.934125873831 42.5733685884818, 141.93455754262 42.5735563017338, 141.934465949544 42.573849065491, 141.934378950746 42.5741644893634)) ^^http://www.opengis.net/ont/geosparql#wktLiteral