メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.883255209911 35.2338075749932, 136.883084511169 35.2338143565953, 136.881844955304 35.2338207966956, 136.881852292508 35.2334851718084, 136.881855958648 35.2329548836739, 136.881325567569 35.2329551773897, 136.881240106271 35.2329539183393, 136.881183838042 35.2329678698259, 136.881148702797 35.2329765899069, 136.881131267857 35.2315363682466, 136.881334893831 35.231536851058, 136.881343660717 35.2314784896041, 136.881728689496 35.2314848245978, 136.88180005231 35.2314859787582, 136.882459373606 35.2314910590774, 136.88353545881 35.2315140177385, 136.884283561313 35.2315093658153, 136.884065752671 35.231895626108, 136.883545957222 35.2329127415973, 136.883356736851 35.2334737204645, 136.883292639918 35.2336704758645, 136.883255209911 35.2338075749932)) ^^http://www.opengis.net/ont/geosparql#wktLiteral