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		| Paper: | A New Way of Joining Source Catalogs using a Relational Database Management System |  
		| Volume: | 295, Astronomical Data Analysis Software and Systems XII |  
		| Page: | 39 |  
		| Authors: | Page, C. G. |  
		| Abstract: | New science often arises from joining source catalogs obtained from different wavebands, but efficient methods for performing such joins depend on multi-dimensional indexing and are poorly handled by most DBMS. A new algorithm, the PCODE, is proposed which allows any relational DBMS to carry out this operation efficiently. |  
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