メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.366135964906 34.81863505051, 137.365292246991 34.8194890477577, 137.364867981844 34.8199352760897, 137.364168059811 34.8206298637416, 137.362325770279 34.8194523770125, 137.36222253793 34.8191684218857, 137.362297538739 34.8188377010618, 137.362442763236 34.8185094029109, 137.362265158715 34.8184493958211, 137.36246630611 34.8180870623862, 137.362638702093 34.8178570428457, 137.363038010837 34.8176377903835, 137.363616276004 34.8178004087848, 137.366135964906 34.81863505051)) ^^http://www.opengis.net/ont/geosparql#wktLiteral