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2. Unified Modeling Language,
http://www.uml.org/
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http://msdn.microsoft.com/data/default.aspx?pull=/library/en-us/dnvs05/html/ADONETEnFrmOvw.asp
4. Blakeley, J.A., Campbell, D., Gray, J., Muralidhar, S., Nori, A.: Next-Generation Data Access: Making the Conceptual Level Real (June 2006),
http://msdn.microsoft.com/data/default.aspx?pull=/library/en-us/dnvs05/html/nxtgenda.asp
5. Microsoft. The Linq Project,
http://msdn.microsoft.com/data/ref/linq/default.aspx