In original data envelopment analysis (DEA) models, inputs and outputs are measured by exact values on a ratio scale. Cooper et al. [Management Science, 45 (1999) 597
The design of the POSTGRES data model is described. The data model is a relational model that has been extended with abstract data types including user-defined operators and proce...
The definition and management of access rules (e.g., to control the access to business documents and business functions) is an important task within any enterprise information sy...
Research has shown that decentralized networks and organizations perform better and have more satisfied members than centralized ones. Further, decentralized self-organizing netwo...
Object-oriented frameworks are a popular mechanism for building and evolving large applications and software product lines. This paper describes an alternative approach to softwar...