メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.861247701753 35.1626458351425, 136.861265426626 35.1626472175488, 136.861193708417 35.162861332648, 136.860921161323 35.1628118423147, 136.860817618261 35.1628381300594, 136.860735261676 35.1629492597896, 136.860072484677 35.1628566687663, 136.859022474094 35.1628485890145, 136.858867721044 35.1628492543513, 136.85885811599 35.1628493003794, 136.858836147497 35.1625676952811, 136.858817748775 35.1625686340082, 136.858799934818 35.1622994338105, 136.859039531629 35.1622847577117, 136.86052199645 35.1623650569244, 136.861298412182 35.1624366662566, 136.861247701753 35.1626458351425)) ^^http://www.opengis.net/ont/geosparql#wktLiteral