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Note: Links lead to the DBLP on the Web. Mads L. Haslund Helle L. Christensen , Mads L. Haslund, Henrik N. Nielsen , Nectaria Tryfona : Operations for Conceptual Schema Manipulation: Definitions and Semantics. ADBIS 2001 : 225-238 1 [ 1 ] 2 [ 1 ] 3 [ 1 ]  ©2004 Association for Computing Machinery |
