Dual-lifecycle software processes have the potential to significantly improve the way in which suites of software applications are generated and sustained. However, several outstanding issues need to be more adequatel...
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Dual-lifecycle software processes have the potential to significantly improve the way in which suites of software applications are generated and sustained. However, several outstanding issues need to be more adequately addressed before the full potential of this philosophy can be realized. Detailed strategies for maintaining domain architectures in parallel with suites of fielded applications are at present particularly conspicuous by their absence. In this paper, we present a dual-lifecycle maintenance process that was developed for the ROSE (Reusable Object softwareengineering) project, a major reengineering and repository-building effort in the domain of flight design and dynamics. We present the major features of the process, the rationale behind these features, and changes which we feel would be beneficial based on lessons learned from the application of the process. The process is presented using a variant of the Fusion object-oriented design method known as Profusion.
作者：
EICHMANN, DRepository Based Software
Engineering Program Research Institute for Computing and Information Science University of Houston-Clear Lake 2700 Bay Area Boulevard Houston TX 77058 USA
As the Web continues to evolve, the sophistication of the programs that are employed in interacting with it will also increase in sophistication. Web agents, programs acting autonomously on some task, are already pres...
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As the Web continues to evolve, the sophistication of the programs that are employed in interacting with it will also increase in sophistication. Web agents, programs acting autonomously on some task, are already present in the form of spiders. Agents offer substantial benefits and hazards, and because of this, their development must involve not only attention to technical details, but also the ethical concerns relating to their resulting impact. These ethical concerns will differ for agents employed in the creation of a service and agents acting on behalf of a specific individual. An ethic is proposed that addresses both of these perspectives. The proposal is predicated on the assumption that agents are a reality on the Web, and that there are no reasonable means of preventing their proliferation.
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