メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.770814261243 43.2002275553807, 141.771253125902 43.2004469155975, 141.770506638499 43.2012368817329, 141.769476673807 43.2023038680214, 141.768481766947 43.2017950841496, 141.768553938673 43.2017125424382, 141.768843732558 43.20140037928, 141.769485226972 43.2007320723083, 141.769954829377 43.2002351374583, 141.769998813418 43.2001853879122, 141.770036640472 43.2001425053515, 141.77025214163 43.1999429058187, 141.770814261243 43.2002275553807)) ^^http://www.opengis.net/ont/geosparql#wktLiteral