メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.347856894347 35.9067316142233, 139.346925176323 35.9062593009852, 139.346893899056 35.9059314979006, 139.345728849297 35.9050650301086, 139.346288830221 35.9045133114359, 139.346455705227 35.9043957755344, 139.347621533996 35.9032621108327, 139.3477560729 35.9033420441378, 139.347975723517 35.9034307631487, 139.348174015788 35.9034945587234, 139.348568491349 35.9036493704721, 139.350776266026 35.9043930391774, 139.35031301426 35.9047492347085, 139.34813189529 35.906502044669, 139.347856894347 35.9067316142233)) ^^http://www.opengis.net/ont/geosparql#wktLiteral