メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.255542801966 43.118178997144, 141.255862466984 43.1184716650079, 141.255711629736 43.1185674104067, 141.256023863131 43.1188508006033, 141.25573061752 43.1190552340974, 141.25609290085 43.1193723249828, 141.254954791194 43.1200741068484, 141.25467687293 43.1202443511284, 141.254311779585 43.1199171740091, 141.253220666383 43.1189463635765, 141.253497570028 43.1187792798972, 141.253679387734 43.1186678424897, 141.253810618382 43.1187631530128, 141.255218361067 43.1179087218584, 141.255542801966 43.118178997144)) ^^http://www.opengis.net/ont/geosparql#wktLiteral