メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.316377941416 43.0628500531697, 141.316650091378 43.0630500379659, 141.316817659251 43.0632269457064, 141.317107484133 43.0635328491167, 141.3166259511 43.0637682508897, 141.316407927214 43.0638883524519, 141.316302794496 43.0639455860187, 141.316128922718 43.0640384081944, 141.316565589856 43.0644966475755, 141.315549038051 43.064345089651, 141.315480512187 43.0643350354683, 141.315459912632 43.0643461900573, 141.315061456857 43.0639682225154, 141.314823022349 43.0637272970311, 141.31468072996 43.0635915948599, 141.314633269624 43.0635462665993, 141.314527573685 43.0634387131991, 141.3149837251 43.0631507178974, 141.315089543439 43.06307365771, 141.315157049573 43.0630370756206, 141.315560720002 43.0627812818184, 141.315577328788 43.0627361251904, 141.315607124143 43.0626247568715, 141.315686644213 43.0623277742772, 141.316214102647 43.0627245853008, 141.316377941416 43.0628500531697)) ^^http://www.opengis.net/ont/geosparql#wktLiteral