Conceptual data model-based software size estimation for information systems

  • Authors:
  • Hee Beng Kuan Tan;Yuan Zhao;Hongyu Zhang

  • Affiliations:
  • Nanyang Technological University, Nanyang Avenue, Singapore;Nanyang Technological University, Nanyang Avenue, Singapore;Tsinghua University, Beijing, China

  • Venue:
  • ACM Transactions on Software Engineering and Methodology (TOSEM)
  • Year:
  • 2009

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Abstract

Size estimation plays a key role in effort estimation that has a crucial impact on software projects in the software industry. Some information required by existing software sizing methods is difficult to predict in the early stage of software development. A conceptual data model is widely used in the early stage of requirements analysis for information systems. Lines of code (LOC) is a commonly used software size measure. This article proposes a novel LOC estimation method for information systems from their conceptual data models through using a multiple linear regression model. We have validated the proposed method using samples from both the software industry and open-source systems.