メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.356124075992 43.0349301883373, 141.35417383528 43.0347981862705, 141.353927071459 43.034757853644, 141.353986127116 43.0351665835349, 141.353064200903 43.0350488005373, 141.352958055539 43.0350497966864, 141.352980216074 43.0347130174906, 141.353025171228 43.034338368806, 141.353205337431 43.034343367689, 141.353223122149 43.0341424328486, 141.35303553236 43.0341337181715, 141.353039317823 43.0340449906748, 141.353770931897 43.0340896869065, 141.356434148252 43.034274458995, 141.356409942148 43.0343173819337, 141.356211365594 43.0346958266837, 141.356124075992 43.0349301883373)) ^^http://www.opengis.net/ont/geosparql#wktLiteral