【摘要】 随着软件构件技术的发展,作为一种有效的构件获取手段,从现有系统中提取构件因其成本与效率优势而成为软件复用与程序理解领域的重要交叉研究领域。针对构件提取的基本步骤,本文从系统分解和度量两个方面对构件提取的研究现状进行了综述。在此基础上本文还介绍了几个典型的构件提取系统,并对构件提取的研究前景与研究方向进行了展望。更多还原

【Abstract】 Due to the development of the software component technology,as an effective means to acquire component, extraction of components from existing systems has become a research focus of both software reuse and program com- prehension for its lower cost and high efficiency.In this paper,we analyze the current status of research on component extraction from system decomposition and its metrics.Then we present several typical component extraction systems.Finally,we outline some possible research directions of this important research topic.更多还原