| 有助于程序理解的软件动态扇入扇出度量 |
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| 引用本文： | 王玉英,李青山,陈平,任春德.有助于程序理解的软件动态扇入扇出度量[J].上海大学学报(英文版),2007,11(5):474-479. |
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| 作者姓名： | 王玉英 李青山 陈平 任春德 |
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| 作者单位： | Software Engineering Institute Xidian University，Software Engineering Institute，Xidian University，Software Engineering Institute，Xidian University，Software Engineering Institute，Xidian University，Xi'an 710071，P.R.China，Xi'an 710071，P.R.China，Xi'an 710071，P.R.China，Xi'an 710071，P.R.China |
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| 基金项目： | 国家自然科学基金;教育部高等学校博士学科点专项科研基金 |
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| 摘 要： | In this paper,an approach to use run-time information to discover knowledge about software systems thus fa- cilitating program comprehension is presented.Some dynamic metrics based on traces of the subject system execution are proposed.A method of getting these dynamic metrics is introduced,in which instrumentation is implemented by using re- flective mechanism based on an open compiler.The system run-time information is captured during the instrumented system running and is then analyzed to get these dynamic metrics.A case study is given to illustrate the use of these dynamic metrics, i.e.,identifying critical components of the subject system.These critical components should be focus on user attentions in order to understand the subject system well.
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| 关 键 词： | 程序理解 软件动态 扇入度量 扇出度量 |
| 收稿时间： | 26 December 2005 |
| 修稿时间： | 2005-12-26 |
Dynamic fan-in and fan-out metrics for program comprehension |
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| WANG Yu-ying,LI Qing-shan,CHEN Ping,REN Chun-de.Dynamic fan-in and fan-out metrics for program comprehension[J].Journal of Shanghai University(English Edition),2007,11(5):474-479. |
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| Authors: | WANG Yu-ying LI Qing-shan CHEN Ping REN Chun-de |
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| Institution: | Software Engineering Institute, Xidian University, Xi'an 710071, P. R. China |
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| Abstract: | In this paper,an approach to use run-time information to discover knowledge about software systems thus fa- cilitating program comprehension is presented.Some dynamic metrics based on traces of the subject system execution are proposed.A method of getting these dynamic metrics is introduced,in which instrumentation is implemented by using re- flective mechanism based on an open compiler.The system run-time information is captured during the instrumented system running and is then analyzed to get these dynamic metrics.A case study is given to illustrate the use of these dynamic metrics, i.e.,identifying critical components of the subject system.These critical components should be focus on user attentions in order to understand the subject system well. |
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| Keywords: | program comprehension dynamic metrics critical components functionality |
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