A unified model for the implementation of both ISO 9001:2000 and CMMI by ISO-certified organizations

Chanwoo Yoo, Junho Yoon, Byungjeong Lee, Chongwon Lee, Jinyoung Lee, Seunghun Hyun, Chisu Wu

Research output: Contribution to journalArticlepeer-review

51 Scopus citations


ISO 9001 is a standard for quality management systems and CMMI is a model for process improvement. If an ISO-certified organization wishes to improve its processes continuously, implementing CMMI would be a good choice, as it provides more detailed practices for process improvement than the ISO standards. However, there are two issues that need to be resolved when an ISO-certified organization implements CMMI. First, it is not easy to identify any reusable parts of the ISO standards, and it would be advantageous to be able to reuse selected portions of the ISO standards during CMMI adoption in order to use existing resources to their best advantage. Second, it is difficult for an ISO-certified organization to implement CMMI in a straightforward, easy manner because of the differences in the language, structure, and details of the two sets of documents. In this paper, we present our unified model for ISO 9001:2000 and CMMI that resolves these two issues. Our model would be an extremely useful tool for ISO-certified organizations that plan to implement CMMI.

Original languageEnglish
Pages (from-to)954-961
Number of pages8
JournalJournal of Systems and Software
Issue number7
StatePublished - Jul 2006


  • CMMI
  • ISO 9001:2000
  • Mapping
  • Unified model


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