メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.962196189502 43.546752928564, 144.962691523598 43.5470536635547, 144.961861509873 43.5477051105023, 144.96176163567 43.5476382176934, 144.961387897707 43.54738437874, 144.960998228946 43.5471245170523, 144.960582717534 43.5468617172844, 144.960124167992 43.5465574632698, 144.959768375753 43.5463154639816, 144.959302053187 43.5459972931055, 144.95884050268 43.5456905038312, 144.959645896001 43.5450374124547, 144.961358848832 43.5462158472636, 144.962196189502 43.546752928564)) ^^http://www.opengis.net/ont/geosparql#wktLiteral