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Towards a Component Framework for Architecture-Based Self-Adaptive Applications

Wuhan University Journal of Natural Sciences 2006年第5期11卷 1227-1232页

作者： zhou yu ma xiaoxing tao xianping lu jian State Key Laboratory for Novel Software Technology Nanjing University Nanjing 210093 Jiangsu China

Self-adaptive software is an efficient way to cope with highly dynamic nature of the environment where it is situated. In this paper, from the perspective of software architecture, we propose a component framework for supporting the architecture-based design and development of self-adaptive applications. It captures some key elements of the research on software architecture and provides more flexible facilities to decouple interacting components. Based on that, a prototype is implemented to demonstrate its feasibility, and at last a case study is presented to illustrate our framework.

关键词： software architecture component framework self-adaptive

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Multi-mode interaction middleware for software services

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Science in China(Series F) 2008年第8期51卷 985-999页

作者： tao xianping ma xiaoxing lu jian yu Ping zhou yu State Key Laboratory for Novel Software Technology Institute of Computer Software Nanjing UniversityNanjing 210093 China

Due to the independency, variability, and tailorability of software service in the open environment, the research of middleware which supports software services multi-mode interaction is thus of great importance. In this paper, an agent-based multi-mode interaction middleware model and its supporting system for software services were proposed. This model includes an interaction feature decomposition and configuration model to enable interaction programming, an agent-based middleware model, and a programmable coordination media based on reflection technology. The decomposition and configuration model for interaction features can assist programmers in interaction programming by analyzing and synthesizing interaction features. The agent-based middleware model provides a runtime framework for service multi-mode interaction. The programmable coordination media is able to effectively support software service coordination based on multimode interaction. To verify feasibility and efficiency of the above method, the design, implementation and performance analysis of Artemis-M3C, a multi-mode interaction middleware for software services, were introduced. The result shows that the above method is feasible and that the Artemis-M3C system is practical and effective in multi-mode interaction.

关键词： open environment multi-mode interaction Mobile Agent interaction mode programming programmable coordination media

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On environment-driven software model for Internetware

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Science in China(Series F) 2008年第6期51卷 683-721页

作者： Lǔ jian ma xiaoxing tao xianping CAO Chun HUANG yu yu Ping State Key Laboratory for Novel Software Technology Institute of Computer Software Nanjing UniversityNanjing 210093 China

Internetware is envisioned as a general software paradigm for the application style of resources integration and sharing in the open, dynamic and uncertain platforms such as the Internet. Continuing the agent-based Internetware model presented in a previous paper, in this paper, after an analysis of the behavioral patterns and the technical challenges of environment-driven applications, a software-structuring model is proposed for environment-driven Internetware applications. A series of explorations on the enabling techniques for the model, especially the modeling, management and utilization of context information are presented. Several proto-typical systems have also been built to prove the concepts and evaluate the techniques. These research efforts make a further step toward the Internetware paradigm by providing an initial framework for the construction of context-aware and self-adaptive software application systems in the open network environment.

关键词： software engineering Internetware context-awareness self-adaptation

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