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For 15 years, the Software Engineering Laboratory (SEL) has been carrying out studies and experiments for the purpose of understanding , assessing, and improving software and softwrne processes within a production software development environment at the National Aeronautics and Space Administration/Goddard Space Flight Center (NASA/GSFC). The SEL comprises(More)
We present a method for estimating the size, and consequently eeort and duration , of object oriented software development projects. Diierent estimates may be made in diierent phases of the development process, according to the available information. We deene an adaptation of traditional function points, called \Object Oriented Function Points", to enable(More)
Software reuse can be achieved through an organization that focuses on utilization of life cycle products from previous developments. The component factory is both an example of the more general concepts of experience and domain factory and an organizational unit worth being considered independently. The critical features of such an organization are(More)
This paper presents a method for estimating the size, and consequently eeort and duration, of object oriented software development projects. Diierent estimates may be made in diierent phases of the development process, according to the available information. We deene an adaptation of traditional function points, called \Object Oriented Function Points", to(More)
The object oriented paradigm has become widely used to develop large information systems. This paper presents a method for estimating the size and eeort of developing object oriented software. The approach is analogous to function points, and it is based on counting rules that pick up the elements in a static object model and combine them in order to(More)