_:b17743	<http://www.w3.org/2002/07/owl#unionOf>	_:b16260 .
_:b17309	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://w3id.org/glosis/model/layerhorizon/GL_Horizon> .
_:b16260	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://w3id.org/glosis/model/layerhorizon/GL_Layer> .
_:b16260	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:b17309 .
_:b17309	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .