_:b17742	<http://www.w3.org/2002/07/owl#unionOf>	_:b16259 .
_:b16259	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:b17308 .
_:b17308	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://w3id.org/glosis/model/layerhorizon/GL_Horizon> .
_:b16259	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://w3id.org/glosis/model/layerhorizon/GL_Layer> .
_:b17308	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .