メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.499176092346 36.8679147699371, 137.498661400722 36.8680212557162, 137.496224288667 36.8685791661079, 137.495839127816 36.8685336238554, 137.495732020605 36.8684897044761, 137.495564350171 36.8685760619747, 137.49520754406 36.8687292601732, 137.494969704717 36.8688403799692, 137.494750095911 36.8689268776776, 137.494566055996 36.8683910445763, 137.493541691115 36.8656505539054, 137.492289469858 36.862131576351, 137.493924439902 36.8615654151884, 137.495761149859 36.8611679282686, 137.497942600012 36.8608002815395, 137.497956931461 36.8611882411254, 137.497967292428 36.8614682119292, 137.497975284458 36.8619855899123, 137.497980479281 36.8623201363944, 137.497959223596 36.8629380623719, 137.498168858808 36.8631945951031, 137.498479771683 36.8640495590913, 137.498682669316 36.8645888526218, 137.49859378071 36.8650227206071, 137.498428125628 36.8657446847947, 137.49852647751 36.8660373615165, 137.498889155459 36.8670841012048, 137.499176092346 36.8679147699371)) ^^http://www.opengis.net/ont/geosparql#wktLiteral