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Book Description
This volume contains the proceedings of the 12th International Conference of the Entity-Relationship Approach， held in Arlington， Texas in December 1993; it contains the revised versions of 42 papers selected for presentation at the conference from a total of 87 submissions. The volume presents many of the most important results on the ERA published since the predecessor conference ER ’92. It is organized in sections on object-oriented models， query languages， applications of the ER model， knowledge-based modeling， data modeling， schema integration， reuse and reengineering， integrating ER and object-orientation， conceptual clustering， modeling time and data semantics.
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