メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.287775543688 38.371898977924, 140.287445717187 38.3722745753545, 140.286643014018 38.3731609463981, 140.286537985093 38.3733061559781, 140.285569028346 38.37338146687, 140.285339856363 38.372167093074, 140.281869005953 38.3725419184532, 140.281933417462 38.3720713432539, 140.281976695902 38.3714691884082, 140.28328078005 38.371317217334, 140.285133887235 38.371101763382, 140.285143416802 38.3711006815938, 140.287557910725 38.3708343002233, 140.288429370165 38.3707302248977, 140.288877292216 38.3706766924349, 140.287893006258 38.3717701531742, 140.287775543688 38.371898977924)) ^^http://www.opengis.net/ont/geosparql#wktLiteral