メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.9990919163 34.9896555919867, 136.998769697869 34.9895881715586, 136.998219998217 34.9894212052558, 136.997011686915 34.9890033065076, 136.99681672476 34.9889366190805, 136.997016100746 34.9886689336439, 136.997175600886 34.9884564719245, 136.997241361494 34.9885067066124, 136.997305891697 34.988551728301, 136.998045431856 34.989096793953, 136.99870307112 34.9882035847174, 136.99879896827 34.9880772336933, 136.999722822721 34.9885345830649, 136.999690557901 34.9885887669997, 136.9990919163 34.9896555919867)) ^^http://www.opengis.net/ont/geosparql#wktLiteral