メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.847100681893 35.2184557052497, 136.847265602038 35.2189746083149, 136.847498626057 35.2197167265287, 136.847890970383 35.2210718228516, 136.84728444878 35.2209862043524, 136.846381326901 35.2208559257287, 136.844822784084 35.2206265745046, 136.844616016717 35.220011073098, 136.844514008982 35.2196619873685, 136.844407643753 35.2194277532689, 136.844262076988 35.2192054569798, 136.844050465233 35.2189429129026, 136.844181522393 35.2188191025216, 136.845675294536 35.217404505823, 136.847064165799 35.2184287765237, 136.847100681893 35.2184557052497)) ^^http://www.opengis.net/ont/geosparql#wktLiteral