メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.319099085665 43.1659129748998, 141.31901277133 43.1659722641957, 141.317943223004 43.1667303614572, 141.317720721463 43.1669123192381, 141.317558713934 43.167020713687, 141.317174607385 43.1672906740095, 141.317105812447 43.1673475020493, 141.316506594787 43.1677738769282, 141.31607313007 43.1680791583158, 141.316030873826 43.1681094065582, 141.315635799968 43.1678120764707, 141.315275044184 43.1675390761656, 141.314610551409 43.1670476191639, 141.31497169721 43.1667718535565, 141.315778197706 43.1661916805153, 141.316122758446 43.1659507294819, 141.316487615682 43.1656953154173, 141.316586403112 43.1656246663435, 141.317076131245 43.1652827082822, 141.317940925051 43.1646636111563, 141.318197312874 43.1648496033802, 141.318273862124 43.1648005741459, 141.318656541474 43.1650722661064, 141.319040997422 43.1653600063049, 141.319453168745 43.1656576750437, 141.319099085665 43.1659129748998)) ^^http://www.opengis.net/ont/geosparql#wktLiteral