メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.929483828296 35.4879896077054, 136.929706261186 35.488437426447, 136.929944600896 35.4889157329454, 136.930073023764 35.489134112361, 136.930121145459 35.4892617741996, 136.930223552561 35.4894711248029, 136.929516422183 35.4895830458243, 136.929498808524 35.4895336108618, 136.92893862177 35.4897216257306, 136.928904555542 35.4895731475464, 136.928315499704 35.4897317364425, 136.928259500587 35.4894527251013, 136.928200317403 35.4890488513121, 136.928153822513 35.4885621887366, 136.928073530363 35.4880914437326, 136.92812616496 35.4877037412889, 136.928332117128 35.4877244634804, 136.928491986227 35.4877073491296, 136.928719396242 35.4876700159458, 136.928936219814 35.4876094580664, 136.929092564524 35.4875836033541, 136.929273864215 35.4875258973721, 136.929314439274 35.4876570654375, 136.929483828296 35.4879896077054)) ^^http://www.opengis.net/ont/geosparql#wktLiteral