メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.99240660617 43.1066511387075, 142.993806664047 43.1063895587202, 142.994517893671 43.1062566498846, 142.994576645491 43.1062456475315, 142.995210097352 43.1081737164438, 142.995631355699 43.1094978290415, 142.995532060174 43.1095141598587, 142.994966006201 43.10961342584, 142.993482656478 43.1098749976005, 142.993422311881 43.1098856576982, 142.99238144524 43.110101366942, 142.991969326538 43.1088410446385, 142.991961201943 43.1088161996299, 142.991335797765 43.1068512794026, 142.992354698368 43.1066608289061, 142.99240660617 43.1066511387075)) ^^http://www.opengis.net/ont/geosparql#wktLiteral