メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.047528547749 34.9997580188028, 137.047272824086 35.0007872248317, 137.047120348161 35.0013571956737, 137.046167275395 35.0011303233329, 137.045442628464 35.0009619857479, 137.045332237378 35.0009360285992, 137.044847553451 35.0008222964385, 137.044765414821 34.999879317762, 137.044753180495 34.9992520698717, 137.045339610436 34.999362945356, 137.046468159869 34.9995708399912, 137.047528547749 34.9997580188028)) ^^http://www.opengis.net/ont/geosparql#wktLiteral