メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.102933133771 39.2637405798966, 141.103037495165 39.264552836668, 141.103081275538 39.2649728837389, 141.10318165589 39.2658199158257, 141.102844417824 39.2658206991157, 141.102621178615 39.2658019340971, 141.102058012903 39.265731876694, 141.101318695941 39.265633369082, 141.10072823068 39.2655499271335, 141.100174952268 39.2654721665073, 141.099594504608 39.2654156492943, 141.099439374488 39.2654335295406, 141.099377396872 39.2650556779635, 141.099298598025 39.2645450648907, 141.099136157164 39.263558544728, 141.099941818349 39.2635046188297, 141.101379761366 39.2634069318642, 141.101409358597 39.2634048925189, 141.102884345888 39.2633070319988, 141.102933133771 39.2637405798966)) ^^http://www.opengis.net/ont/geosparql#wktLiteral