メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.561218453194 40.5944333333235, 140.560993014773 40.5944363200494, 140.560661946415 40.5943969819269, 140.560606650977 40.5944214077608, 140.560445229892 40.5945191799349, 140.560150338571 40.5946342273735, 140.559906279933 40.5946932460524, 140.55996708977 40.5943977322286, 140.560229879794 40.5929968305835, 140.560401690935 40.5921869935769, 140.562299908902 40.5929095326749, 140.562061462441 40.5931065477153, 140.56177486566 40.5934550759786, 140.561404074991 40.5937951035522, 140.561321586598 40.593890389691, 140.561334131051 40.5939892768634, 140.561351171236 40.5940551740352, 140.561419957097 40.5941409652334, 140.561484549639 40.5941971250743, 140.561449051194 40.5944210008511, 140.561218453194 40.5944333333235)) ^^http://www.opengis.net/ont/geosparql#wktLiteral