メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.384390939007 40.5190724838053, 141.384147565333 40.5191153362763, 141.383176778246 40.5191328089121, 141.382180822475 40.5191503599748, 141.381901761682 40.5191981948618, 141.381813591758 40.5192114550257, 141.381716900456 40.5192087141371, 141.381649304685 40.5191673125164, 141.381598192235 40.519084179691, 141.38158068852 40.5190008870634, 141.38156763034 40.5189431827908, 141.381554713472 40.5189079946735, 141.3814955794 40.5188697534805, 141.381743266352 40.5177857793036, 141.381864017298 40.5172858286268, 141.3820828728 40.5164092691331, 141.382733368457 40.5164685791473, 141.383435754393 40.516553953547, 141.384105751868 40.516624666808, 141.384653008833 40.5166910379553, 141.384861976622 40.5167146641268, 141.38519636556 40.5168099825157, 141.384939552375 40.5175109727206, 141.384554679767 40.5186117596214, 141.384390939007 40.5190724838053)) ^^http://www.opengis.net/ont/geosparql#wktLiteral