メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.172504643958 35.3501926385539, 137.172391666534 35.3501601800026, 137.172222800298 35.3498685703428, 137.171989446878 35.3494261200278, 137.171911160759 35.3493267566406, 137.171776064988 35.3492312691928, 137.17123268781 35.3489321325607, 137.170735355919 35.3487008086864, 137.17046617544 35.348614407268, 137.170373951678 35.3481881456319, 137.170380524691 35.3479723730902, 137.170452946831 35.3477996977468, 137.170667954136 35.3475874413384, 137.171102152899 35.3473047567996, 137.171275848021 35.3471764439343, 137.171386187969 35.3470498922118, 137.171554141741 35.3468182695112, 137.1730542869 35.3471952399017, 137.172537414143 35.3484875810942, 137.173103821764 35.3486602257499, 137.172504643958 35.3501926385539)) ^^http://www.opengis.net/ont/geosparql#wktLiteral