Effectiveness of an Integrated CASE Tool for Productivity and Quality of Software Developments

Michio TSUDA  Sadahiro ISHIKAWA  Osamu OHNO  Akira HARADA  Mayumi TAKAHASHI  Shinji KUSUMOTO  Katsuro INOUE  

IEICE TRANSACTIONS on Information and Systems   Vol.E89-D   No.4   pp.1470-1479
Publication Date: 2006/04/01
Online ISSN: 1745-1361
DOI: 10.1093/ietisy/e89-d.4.1470
Print ISSN: 0916-8532
Type of Manuscript: PAPER
Category: Software Engineering
CASE,  productivity,  quality,  reuse,  

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This is commonly thought that CASE tools reduce programming efforts and increase development productivity. However, no paper has provide quantitative data supporting the matter. This paper discusses productivity improvement through the use of an integrated CASE tool system named EAGLE (Effective Approach to Achieving High Level Software Productivity), as shown by various data collected in Hitachi from the 1980s to the 2000s. We have evaluated productivity by using three metrics, l) program generation rate using reusable program skeletons and components, 2) fault density at two test phase, and 3) learning curve for the education of inexperienced programmers. We will show that productivity has been improved by the various facilities of EAGLE.