メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.698349543837 35.332275141141, 136.696585927743 35.3326591278026, 136.69584482972 35.3303873336003, 136.696409954825 35.3303250961191, 136.696713244488 35.3302909929967, 136.696877368781 35.3302779689743, 136.697057336506 35.3302894429723, 136.697069471366 35.3303532938931, 136.697162448221 35.3306293656426, 136.697771465739 35.3304841987819, 136.698208267859 35.3318196536296, 136.698349543837 35.332275141141)) ^^http://www.opengis.net/ont/geosparql#wktLiteral