For more information about the Command, Fa ade, and Factory design patterns Design Patterns: Elements of Reusable Object-Oriented Software, by Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides (ISBN 0-201-63361-2).
For more information about the Value Object pattern, see Core J2EE Patterns Best Practices and Design Strategies by Deepak Alur, Dan Malks, and John Crupi (ISBN 0 13-064884-1).
For more information about implementing typed datasets in .NET Framework See “Creating XML Schemas and Datasets” http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbcon/html/vboriCreatingSchemasDataSets.asp
For more information about the service interfaces pattern See “Enterprise Solution Patterns: Service Interface” http://msdn.microsoft.com/practices/type/patterns/enterprise/DesServiceInterface/