メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.70535048563 32.7964117810924, 130.705567513178 32.79647344198, 130.706086779839 32.7966534079616, 130.707007968378 32.7969397374903, 130.706784758623 32.7971145758429, 130.705950742431 32.7976935895285, 130.70538316817 32.798083191341, 130.704862725987 32.7984457769371, 130.704857533786 32.7983950568173, 130.704675630967 32.7971958937421, 130.704513223475 32.7963894275425, 130.703692368556 32.7964502237424, 130.703624911305 32.796078426486, 130.703587484748 32.7958760148803, 130.703548315919 32.7956642646396, 130.70359318117 32.7955734156603, 130.703979379236 32.7948281565345, 130.705143411651 32.795407380192, 130.705718418351 32.7956934928488, 130.70535048563 32.7964117810924)) ^^http://www.opengis.net/ont/geosparql#wktLiteral