Requirement definition architecture-an overview

Ralph R. Bravoco, Surya B. Yadav

Research output: Contribution to journalArticlepeer-review

42 Scopus citations


The Integrated Computer Aided Manufacturing (ICAM) program of the U.S. Air Force identifieda need to better communicate and analyze manufacturing for the people involved in improving productivity. To satisfy that need, the ICAM program developed the IDEF (ICAM Definition) method to address particular of Manufacturing. This IDEF Method is equally applicable in analyzing other types of organizations. IDEF comprises of three modeling methodologies: Function model methodology (IDEF0), Information model methodology (IDEF1) and Dynamics model methodology IDEF2). This paper presents and overview of each of the methods. In addition, a life cycle for Information Systes Development is developed to utilize the methods. Step by step procedures and examples are also presented.

Original languageEnglish
Pages (from-to)237-251
Number of pages15
JournalComputers in Industry
Issue number4
StatePublished - Aug 1985


  • Dynamic Model of an Organization
  • Functional Model of an Organization
  • Information Requirement
  • Information Structure of an Organization
  • Modeling an Organization
  • Requirement Analysis


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