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		| Paper: | 
		Gaia Data Processing Architecture 2009 | 
	 
	
		| Volume: | 
		411, Astronomical Data Analysis Software and Systems XVIII | 
	 
	
		| Page: | 
		470 | 
	 
	
		| Authors: | 
		O’Mullane, W.; Hernández, J.; Hoar,  J.; Lammers, U. | 
	 
	
	
		| Abstract: | 
		The Gaia Data Processing and Analysis Consortium (DPAC) is responsible for Gaia data treatment. We present the current state of the overall processing architecture involving six data processing centres and a large iterative data processing chain. | 
	 
	
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