メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.200922904663 34.6994247749297, 135.200963715755 34.6994132153473, 135.201053876791 34.6994238406794, 135.201507524106 34.6996020261806, 135.201544342933 34.6996164124045, 135.202042973484 34.6998066700651, 135.201857716418 34.7000964660861, 135.201777601791 34.7002638116108, 135.200474287227 34.6993197964736, 135.200449541771 34.6993019433017, 135.200484260481 34.6992295774841, 135.200489576479 34.6992160174027, 135.200922904663 34.6994247749297)) ^^http://www.opengis.net/ont/geosparql#wktLiteral