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内容説明 This book contains substantially extended and revised versions of the best papers from the 12th International Conference on Enterprise Information Systems (ICEIS 2010)， held in Funchal， Madeira， Portugal， June 8-12， 2010.Two invited papers are presented together with 39 contributions， which were carefully reviewed and selected from 62 full papers presented at the conference (out of 448 submissions). They reflect state-of-the-art research work that is often driven by real-world applications， thus successfully relating the academic with the industrial community. The topics covered are: databases and information systems integration， artificial intelligence and decision support systems， information systems analysis and specification， software agents and internet computing， and human-computer interaction.